Home / 38,027.28-57,042-13,066.92

Finding the Fourth Proportional to 38,027.28, 57,042 and 13,066.92

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Solution

The fourth proportional to 38,027.28, 57,042 and 13,066.92 is: 19,600.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,027.28 : 57,042 = 13,066.92 : x
  2. Step 2: Convert to fraction form
    38,027.28/57,042 = 13,066.92/x
  3. Step 3: Cross multiply
    38,027.28x = 57,042 × 13,066.92
  4. Step 4: Simplify right side
    38,027.28x = 745,363,250.64
  5. Step 5: Solve for x
    x = 745,363,250.64/38,027.28
  6. Step 6: Final answer
    x = 19,600.75

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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.