Home / 38,171.52-57,224.32-14,781.76

Finding the Fourth Proportional to 38,171.52, 57,224.32 and 14,781.76

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Solution

The fourth proportional to 38,171.52, 57,224.32 and 14,781.76 is: 22,159.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,171.52 : 57,224.32 = 14,781.76 : x
  2. Step 2: Convert to fraction form
    38,171.52/57,224.32 = 14,781.76/x
  3. Step 3: Cross multiply
    38,171.52x = 57,224.32 × 14,781.76
  4. Step 4: Simplify right side
    38,171.52x = 845,876,164.40
  5. Step 5: Solve for x
    x = 845,876,164.40/38,171.52
  6. Step 6: Final answer
    x = 22,159.88

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.