Home / 39,517.20-54,531.81-22,522.17

Finding the Fourth Proportional to 39,517.20, 54,531.81 and 22,522.17

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Solution

The fourth proportional to 39,517.20, 54,531.81 and 22,522.17 is: 31,079.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,517.20 : 54,531.81 = 22,522.17 : x
  2. Step 2: Convert to fraction form
    39,517.20/54,531.81 = 22,522.17/x
  3. Step 3: Cross multiply
    39,517.20x = 54,531.81 × 22,522.17
  4. Step 4: Simplify right side
    39,517.20x = 1,228,174,695.23
  5. Step 5: Solve for x
    x = 1,228,174,695.23/39,517.20
  6. Step 6: Final answer
    x = 31,079.50

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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.