Home / 38,487.60-57,731.40-32,266.80

Finding the Fourth Proportional to 38,487.60, 57,731.40 and 32,266.80

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Solution

The fourth proportional to 38,487.60, 57,731.40 and 32,266.80 is: 48,400.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,487.60 : 57,731.40 = 32,266.80 : x
  2. Step 2: Convert to fraction form
    38,487.60/57,731.40 = 32,266.80/x
  3. Step 3: Cross multiply
    38,487.60x = 57,731.40 × 32,266.80
  4. Step 4: Simplify right side
    38,487.60x = 1,862,807,537.52
  5. Step 5: Solve for x
    x = 1,862,807,537.52/38,487.60
  6. Step 6: Final answer
    x = 48,400.20

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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.