Finding the Fourth Proportional to 71,614.68, 107,423.82 and 19,024.08
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Solution
The fourth proportional to 71,614.68, 107,423.82 and 19,024.08 is: 28,536.60
Step by Step Solution
- Step 1: Write the proportion equation
71,614.68 : 107,423.82 = 19,024.08 : x - Step 2: Convert to fraction form
71,614.68/107,423.82 = 19,024.08/x - Step 3: Cross multiply
71,614.68x = 107,423.82 × 19,024.08 - Step 4: Simplify right side
71,614.68x = 2,043,639,345.59 - Step 5: Solve for x
x = 2,043,639,345.59/71,614.68 - Step 6: Final answer
x = 28,536.60
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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.