Home / 39,129.54-58,687.49-18,067.79

Finding the Fourth Proportional to 39,129.54, 58,687.49 and 18,067.79

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Solution

The fourth proportional to 39,129.54, 58,687.49 and 18,067.79 is: 27,098.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,129.54 : 58,687.49 = 18,067.79 : x
  2. Step 2: Convert to fraction form
    39,129.54/58,687.49 = 18,067.79/x
  3. Step 3: Cross multiply
    39,129.54x = 58,687.49 × 18,067.79
  4. Step 4: Simplify right side
    39,129.54x = 1,060,352,996.68
  5. Step 5: Solve for x
    x = 1,060,352,996.68/39,129.54
  6. Step 6: Final answer
    x = 27,098.53

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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.