Home / 38,198.79-57,279.60-13,240.26

Finding the Fourth Proportional to 38,198.79, 57,279.60 and 13,240.26

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Solution

The fourth proportional to 38,198.79, 57,279.60 and 13,240.26 is: 19,853.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,198.79 : 57,279.60 = 13,240.26 : x
  2. Step 2: Convert to fraction form
    38,198.79/57,279.60 = 13,240.26/x
  3. Step 3: Cross multiply
    38,198.79x = 57,279.60 × 13,240.26
  4. Step 4: Simplify right side
    38,198.79x = 758,396,796.70
  5. Step 5: Solve for x
    x = 758,396,796.70/38,198.79
  6. Step 6: Final answer
    x = 19,853.95

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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.