Home / 38,400.60-57,565.80-32,515.38

Finding the Fourth Proportional to 38,400.60, 57,565.80 and 32,515.38

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Solution

The fourth proportional to 38,400.60, 57,565.80 and 32,515.38 is: 48,743.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,400.60 : 57,565.80 = 32,515.38 : x
  2. Step 2: Convert to fraction form
    38,400.60/57,565.80 = 32,515.38/x
  3. Step 3: Cross multiply
    38,400.60x = 57,565.80 × 32,515.38
  4. Step 4: Simplify right side
    38,400.60x = 1,871,773,862.00
  5. Step 5: Solve for x
    x = 1,871,773,862.00/38,400.60
  6. Step 6: Final answer
    x = 48,743.35

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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.