Home / 39,211.68-58,819.75-11,129.52

Finding the Fourth Proportional to 39,211.68, 58,819.75 and 11,129.52

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Solution

The fourth proportional to 39,211.68, 58,819.75 and 11,129.52 is: 16,694.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,211.68 : 58,819.75 = 11,129.52 : x
  2. Step 2: Convert to fraction form
    39,211.68/58,819.75 = 11,129.52/x
  3. Step 3: Cross multiply
    39,211.68x = 58,819.75 × 11,129.52
  4. Step 4: Simplify right side
    39,211.68x = 654,635,584.02
  5. Step 5: Solve for x
    x = 654,635,584.02/39,211.68
  6. Step 6: Final answer
    x = 16,694.91

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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.