Home / 29,819.48-41,149.17-18,338.75

Finding the Fourth Proportional to 29,819.48, 41,149.17 and 18,338.75

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Solution

The fourth proportional to 29,819.48, 41,149.17 and 18,338.75 is: 25,306.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,819.48 : 41,149.17 = 18,338.75 : x
  2. Step 2: Convert to fraction form
    29,819.48/41,149.17 = 18,338.75/x
  3. Step 3: Cross multiply
    29,819.48x = 41,149.17 × 18,338.75
  4. Step 4: Simplify right side
    29,819.48x = 754,624,135.59
  5. Step 5: Solve for x
    x = 754,624,135.59/29,819.48
  6. Step 6: Final answer
    x = 25,306.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.