Home / 38,195.70-57,279.84-13,229.04

Finding the Fourth Proportional to 38,195.70, 57,279.84 and 13,229.04

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Solution

The fourth proportional to 38,195.70, 57,279.84 and 13,229.04 is: 19,838.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,195.70 : 57,279.84 = 13,229.04 : x
  2. Step 2: Convert to fraction form
    38,195.70/57,279.84 = 13,229.04/x
  3. Step 3: Cross multiply
    38,195.70x = 57,279.84 × 13,229.04
  4. Step 4: Simplify right side
    38,195.70x = 757,757,294.55
  5. Step 5: Solve for x
    x = 757,757,294.55/38,195.70
  6. Step 6: Final answer
    x = 19,838.81

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1.5x scale

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.