Home / 38,432.40-57,648.60-29,101.20

Finding the Fourth Proportional to 38,432.40, 57,648.60 and 29,101.20

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Solution

The fourth proportional to 38,432.40, 57,648.60 and 29,101.20 is: 43,651.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,432.40 : 57,648.60 = 29,101.20 : x
  2. Step 2: Convert to fraction form
    38,432.40/57,648.60 = 29,101.20/x
  3. Step 3: Cross multiply
    38,432.40x = 57,648.60 × 29,101.20
  4. Step 4: Simplify right side
    38,432.40x = 1,677,643,438.32
  5. Step 5: Solve for x
    x = 1,677,643,438.32/38,432.40
  6. Step 6: Final answer
    x = 43,651.80

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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.