Home / 38,306.58-57,352.77-19,545.90

Finding the Fourth Proportional to 38,306.58, 57,352.77 and 19,545.90

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Solution

The fourth proportional to 38,306.58, 57,352.77 and 19,545.90 is: 29,264.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.58 : 57,352.77 = 19,545.90 : x
  2. Step 2: Convert to fraction form
    38,306.58/57,352.77 = 19,545.90/x
  3. Step 3: Cross multiply
    38,306.58x = 57,352.77 × 19,545.90
  4. Step 4: Simplify right side
    38,306.58x = 1,121,011,507.14
  5. Step 5: Solve for x
    x = 1,121,011,507.14/38,306.58
  6. Step 6: Final answer
    x = 29,264.20

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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.