Home / 39,380.38-54,355.26-22,394.55

Finding the Fourth Proportional to 39,380.38, 54,355.26 and 22,394.55

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Solution

The fourth proportional to 39,380.38, 54,355.26 and 22,394.55 is: 30,910.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,380.38 : 54,355.26 = 22,394.55 : x
  2. Step 2: Convert to fraction form
    39,380.38/54,355.26 = 22,394.55/x
  3. Step 3: Cross multiply
    39,380.38x = 54,355.26 × 22,394.55
  4. Step 4: Simplify right side
    39,380.38x = 1,217,261,587.83
  5. Step 5: Solve for x
    x = 1,217,261,587.83/39,380.38
  6. Step 6: Final answer
    x = 30,910.36

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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.