Home / 38,182.12-52,691.94-21,414.76

Finding the Fourth Proportional to 38,182.12, 52,691.94 and 21,414.76

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Solution

The fourth proportional to 38,182.12, 52,691.94 and 21,414.76 is: 29,552.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,182.12 : 52,691.94 = 21,414.76 : x
  2. Step 2: Convert to fraction form
    38,182.12/52,691.94 = 21,414.76/x
  3. Step 3: Cross multiply
    38,182.12x = 52,691.94 × 21,414.76
  4. Step 4: Simplify right side
    38,182.12x = 1,128,385,249.03
  5. Step 5: Solve for x
    x = 1,128,385,249.03/38,182.12
  6. Step 6: Final answer
    x = 29,552.71

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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.