Home / 38,691.68-58,037.28-18,677.82

Finding the Fourth Proportional to 38,691.68, 58,037.28 and 18,677.82

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Solution

The fourth proportional to 38,691.68, 58,037.28 and 18,677.82 is: 28,016.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,691.68 : 58,037.28 = 18,677.82 : x
  2. Step 2: Convert to fraction form
    38,691.68/58,037.28 = 18,677.82/x
  3. Step 3: Cross multiply
    38,691.68x = 58,037.28 × 18,677.82
  4. Step 4: Simplify right side
    38,691.68x = 1,084,009,869.13
  5. Step 5: Solve for x
    x = 1,084,009,869.13/38,691.68
  6. Step 6: Final answer
    x = 28,016.61

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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.