Home / 39,144.52-58,716.78-11,442.52

Finding the Fourth Proportional to 39,144.52, 58,716.78 and 11,442.52

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Solution

The fourth proportional to 39,144.52, 58,716.78 and 11,442.52 is: 17,163.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,144.52 : 58,716.78 = 11,442.52 : x
  2. Step 2: Convert to fraction form
    39,144.52/58,716.78 = 11,442.52/x
  3. Step 3: Cross multiply
    39,144.52x = 58,716.78 × 11,442.52
  4. Step 4: Simplify right side
    39,144.52x = 671,867,929.49
  5. Step 5: Solve for x
    x = 671,867,929.49/39,144.52
  6. Step 6: Final answer
    x = 17,163.78

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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.