Home / 38,177.88-57,252.78-13,211.52

Finding the Fourth Proportional to 38,177.88, 57,252.78 and 13,211.52

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Solution

The fourth proportional to 38,177.88, 57,252.78 and 13,211.52 is: 19,812.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,177.88 : 57,252.78 = 13,211.52 : x
  2. Step 2: Convert to fraction form
    38,177.88/57,252.78 = 13,211.52/x
  3. Step 3: Cross multiply
    38,177.88x = 57,252.78 × 13,211.52
  4. Step 4: Simplify right side
    38,177.88x = 756,396,248.03
  5. Step 5: Solve for x
    x = 756,396,248.03/38,177.88
  6. Step 6: Final answer
    x = 19,812.42

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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.