Home / 39,253.46-54,171.99-21,348.11

Finding the Fourth Proportional to 39,253.46, 54,171.99 and 21,348.11

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Solution

The fourth proportional to 39,253.46, 54,171.99 and 21,348.11 is: 29,461.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,253.46 : 54,171.99 = 21,348.11 : x
  2. Step 2: Convert to fraction form
    39,253.46/54,171.99 = 21,348.11/x
  3. Step 3: Cross multiply
    39,253.46x = 54,171.99 × 21,348.11
  4. Step 4: Simplify right side
    39,253.46x = 1,156,469,432.15
  5. Step 5: Solve for x
    x = 1,156,469,432.15/39,253.46
  6. Step 6: Final answer
    x = 29,461.59

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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.