Finding the Fourth Proportional to 72,239.40, 108,332.16 and 24,841.09
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Solution
The fourth proportional to 72,239.40, 108,332.16 and 24,841.09 is: 37,252.37
Step by Step Solution
- Step 1: Write the proportion equation
72,239.40 : 108,332.16 = 24,841.09 : x - Step 2: Convert to fraction form
72,239.40/108,332.16 = 24,841.09/x - Step 3: Cross multiply
72,239.40x = 108,332.16 × 24,841.09 - Step 4: Simplify right side
72,239.40x = 2,691,088,936.45 - Step 5: Solve for x
x = 2,691,088,936.45/72,239.40 - Step 6: Final answer
x = 37,252.37
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.