For every ounce of Silver, how many ounces of Gold are there?

As of the 3rd of April, the ratio has been 50 ounces of Gold, to 1 ounce of Silver. (50:1)

Silver: $31.86 AUD per ounce.
Gold: $1,600.86 AUD per ounce.

Source: http://seekingalpha.com/article/478621-gold-and-silver-daily-outlook-april-4
Reference: http://silver-and-gold-prices.goldprice.org/

The ratio of Gold & Silver according to Wikipedia: 1:54.9
Reference: http://en.wikipedia.org/wiki/Silver_as_an_investment