Finding the Fourth Proportional to 40,245.06, 55,558.17 and 25,146.09
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Solution
The fourth proportional to 40,245.06, 55,558.17 and 25,146.09 is: 34,714.09
Step by Step Solution
- Step 1: Write the proportion equation
40,245.06 : 55,558.17 = 25,146.09 : x - Step 2: Convert to fraction form
40,245.06/55,558.17 = 25,146.09/x - Step 3: Cross multiply
40,245.06x = 55,558.17 × 25,146.09 - Step 4: Simplify right side
40,245.06x = 1,397,070,743.06 - Step 5: Solve for x
x = 1,397,070,743.06/40,245.06 - Step 6: Final answer
x = 34,714.09
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.