Home / 39,390.75-54,359.24-29,327.85

Finding the Fourth Proportional to 39,390.75, 54,359.24 and 29,327.85

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Solution

The fourth proportional to 39,390.75, 54,359.24 and 29,327.85 is: 40,472.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,390.75 : 54,359.24 = 29,327.85 : x
  2. Step 2: Convert to fraction form
    39,390.75/54,359.24 = 29,327.85/x
  3. Step 3: Cross multiply
    39,390.75x = 54,359.24 × 29,327.85
  4. Step 4: Simplify right side
    39,390.75x = 1,594,239,490.19
  5. Step 5: Solve for x
    x = 1,594,239,490.19/39,390.75
  6. Step 6: Final answer
    x = 40,472.43

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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.