Home / 38,456.91-57,691.44-12,167.82

Finding the Fourth Proportional to 38,456.91, 57,691.44 and 12,167.82

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Solution

The fourth proportional to 38,456.91, 57,691.44 and 12,167.82 is: 18,253.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,456.91 : 57,691.44 = 12,167.82 : x
  2. Step 2: Convert to fraction form
    38,456.91/57,691.44 = 12,167.82/x
  3. Step 3: Cross multiply
    38,456.91x = 57,691.44 × 12,167.82
  4. Step 4: Simplify right side
    38,456.91x = 701,979,057.46
  5. Step 5: Solve for x
    x = 701,979,057.46/38,456.91
  6. Step 6: Final answer
    x = 18,253.65

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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.