Home / 39,372.12-54,331.68-22,375.98

Finding the Fourth Proportional to 39,372.12, 54,331.68 and 22,375.98

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Solution

The fourth proportional to 39,372.12, 54,331.68 and 22,375.98 is: 30,877.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,372.12 : 54,331.68 = 22,375.98 : x
  2. Step 2: Convert to fraction form
    39,372.12/54,331.68 = 22,375.98/x
  3. Step 3: Cross multiply
    39,372.12x = 54,331.68 × 22,375.98
  4. Step 4: Simplify right side
    39,372.12x = 1,215,724,585.05
  5. Step 5: Solve for x
    x = 1,215,724,585.05/39,372.12
  6. Step 6: Final answer
    x = 30,877.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.