Home / 39,251.79-58,882.55-12,949.47

Finding the Fourth Proportional to 39,251.79, 58,882.55 and 12,949.47

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Solution

The fourth proportional to 39,251.79, 58,882.55 and 12,949.47 is: 19,425.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,251.79 : 58,882.55 = 12,949.47 : x
  2. Step 2: Convert to fraction form
    39,251.79/58,882.55 = 12,949.47/x
  3. Step 3: Cross multiply
    39,251.79x = 58,882.55 × 12,949.47
  4. Step 4: Simplify right side
    39,251.79x = 762,497,750.00
  5. Step 5: Solve for x
    x = 762,497,750.00/39,251.79
  6. Step 6: Final answer
    x = 19,425.81

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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.