Home / 38,248.80-57,381.30-11,592.60

Finding the Fourth Proportional to 38,248.80, 57,381.30 and 11,592.60

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Solution

The fourth proportional to 38,248.80, 57,381.30 and 11,592.60 is: 17,391.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,248.80 : 57,381.30 = 11,592.60 : x
  2. Step 2: Convert to fraction form
    38,248.80/57,381.30 = 11,592.60/x
  3. Step 3: Cross multiply
    38,248.80x = 57,381.30 × 11,592.60
  4. Step 4: Simplify right side
    38,248.80x = 665,198,458.38
  5. Step 5: Solve for x
    x = 665,198,458.38/38,248.80
  6. Step 6: Final answer
    x = 17,391.35

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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.