Home / 71,306.19-106,952.87-21,397.43

Finding the Fourth Proportional to 71,306.19, 106,952.87 and 21,397.43

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Solution

The fourth proportional to 71,306.19, 106,952.87 and 21,397.43 is: 32,094.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,306.19 : 106,952.87 = 21,397.43 : x
  2. Step 2: Convert to fraction form
    71,306.19/106,952.87 = 21,397.43/x
  3. Step 3: Cross multiply
    71,306.19x = 106,952.87 × 21,397.43
  4. Step 4: Simplify right side
    71,306.19x = 2,288,516,870.00
  5. Step 5: Solve for x
    x = 2,288,516,870.00/71,306.19
  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.