Any fraction that is equivalent to 12/48 would be correct.
12 and 48 are both divisible by 2, so [tex]\dfrac{12}{48} = \dfrac{6}{24}[/tex].
12 and 48 are both divisible by 4, so [tex]\dfrac{12}{48} = \dfrac{3}{12}[/tex].
12 and 48 are both divisible by 12, so [tex]\dfrac{12}{48} = \dfrac{1}{4}[/tex].
All of those fractions are proportional.
