Home / 38,905.92-57,988.76-36,691.38

Finding the Fourth Proportional to 38,905.92, 57,988.76 and 36,691.38

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Solution

The fourth proportional to 38,905.92, 57,988.76 and 36,691.38 is: 54,688.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,905.92 : 57,988.76 = 36,691.38 : x
  2. Step 2: Convert to fraction form
    38,905.92/57,988.76 = 36,691.38/x
  3. Step 3: Cross multiply
    38,905.92x = 57,988.76 × 36,691.38
  4. Step 4: Simplify right side
    38,905.92x = 2,127,687,445.43
  5. Step 5: Solve for x
    x = 2,127,687,445.43/38,905.92
  6. Step 6: Final answer
    x = 54,688.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.