Finding the Fourth Proportional to 67,953.11, 101,921.75 and 18,037.08
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Solution
The fourth proportional to 67,953.11, 101,921.75 and 18,037.08 is: 27,053.52
Step by Step Solution
- Step 1: Write the proportion equation
67,953.11 : 101,921.75 = 18,037.08 : x - Step 2: Convert to fraction form
67,953.11/101,921.75 = 18,037.08/x - Step 3: Cross multiply
67,953.11x = 101,921.75 × 18,037.08 - Step 4: Simplify right side
67,953.11x = 1,838,371,165.93 - Step 5: Solve for x
x = 1,838,371,165.93/67,953.11 - Step 6: Final answer
x = 27,053.52
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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.