Home / 39,385.32-54,354.96-22,394.89

Finding the Fourth Proportional to 39,385.32, 54,354.96 and 22,394.89

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Solution

The fourth proportional to 39,385.32, 54,354.96 and 22,394.89 is: 30,906.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.32 : 54,354.96 = 22,394.89 : x
  2. Step 2: Convert to fraction form
    39,385.32/54,354.96 = 22,394.89/x
  3. Step 3: Cross multiply
    39,385.32x = 54,354.96 × 22,394.89
  4. Step 4: Simplify right side
    39,385.32x = 1,217,273,350.15
  5. Step 5: Solve for x
    x = 1,217,273,350.15/39,385.32
  6. Step 6: Final answer
    x = 30,906.78

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1.5x scale

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.