Finding the Fourth Proportional to 74,966.19, 112,449.24 and 19,562.19
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Solution
The fourth proportional to 74,966.19, 112,449.24 and 19,562.19 is: 29,343.27
Step by Step Solution
- Step 1: Write the proportion equation
74,966.19 : 112,449.24 = 19,562.19 : x - Step 2: Convert to fraction form
74,966.19/112,449.24 = 19,562.19/x - Step 3: Cross multiply
74,966.19x = 112,449.24 × 19,562.19 - Step 4: Simplify right side
74,966.19x = 2,199,753,398.24 - Step 5: Solve for x
x = 2,199,753,398.24/74,966.19 - Step 6: Final answer
x = 29,343.27
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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.