Home / 38,439.38-57,678.52-15,066.02

Finding the Fourth Proportional to 38,439.38, 57,678.52 and 15,066.02

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Solution

The fourth proportional to 38,439.38, 57,678.52 and 15,066.02 is: 22,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,439.38 : 57,678.52 = 15,066.02 : x
  2. Step 2: Convert to fraction form
    38,439.38/57,678.52 = 15,066.02/x
  3. Step 3: Cross multiply
    38,439.38x = 57,678.52 × 15,066.02
  4. Step 4: Simplify right side
    38,439.38x = 868,985,735.89
  5. Step 5: Solve for x
    x = 868,985,735.89/38,439.38
  6. Step 6: Final answer
    x = 22,606.65

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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.