Home / 71,306.18-106,952.87-21,397.43

Finding the Fourth Proportional to 71,306.18, 106,952.87 and 21,397.43

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Solution

The fourth proportional to 71,306.18, 106,952.87 and 21,397.43 is: 32,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.18 : 106,952.87 = 21,397.43 : x
  2. Step 2: Convert to fraction form
    71,306.18/106,952.87 = 21,397.43/x
  3. Step 3: Cross multiply
    71,306.18x = 106,952.87 × 21,397.43
  4. Step 4: Simplify right side
    71,306.18x = 2,288,516,067.85
  5. Step 5: Solve for x
    x = 2,288,516,067.85/71,306.18
  6. Step 6: Final answer
    x = 32,094.22

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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.