Home / 39,319.59-54,261.68-21,414.95

Finding the Fourth Proportional to 39,319.59, 54,261.68 and 21,414.95

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Solution

The fourth proportional to 39,319.59, 54,261.68 and 21,414.95 is: 29,552.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,319.59 : 54,261.68 = 21,414.95 : x
  2. Step 2: Convert to fraction form
    39,319.59/54,261.68 = 21,414.95/x
  3. Step 3: Cross multiply
    39,319.59x = 54,261.68 × 21,414.95
  4. Step 4: Simplify right side
    39,319.59x = 1,162,010,892.81
  5. Step 5: Solve for x
    x = 1,162,010,892.81/39,319.59
  6. Step 6: Final answer
    x = 29,552.98

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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.