Home / 39,385.20-54,349.41-22,387.08

Finding the Fourth Proportional to 39,385.20, 54,349.41 and 22,387.08

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Solution

The fourth proportional to 39,385.20, 54,349.41 and 22,387.08 is: 30,892.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,385.20 : 54,349.41 = 22,387.08 : x
  2. Step 2: Convert to fraction form
    39,385.20/54,349.41 = 22,387.08/x
  3. Step 3: Cross multiply
    39,385.20x = 54,349.41 × 22,387.08
  4. Step 4: Simplify right side
    39,385.20x = 1,216,724,589.62
  5. Step 5: Solve for x
    x = 1,216,724,589.62/39,385.20
  6. Step 6: Final answer
    x = 30,892.94

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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.