Home / 42,301.60-63,452.40-16,007.20

Finding the Fourth Proportional to 42,301.60, 63,452.40 and 16,007.20

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Solution

The fourth proportional to 42,301.60, 63,452.40 and 16,007.20 is: 24,010.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,301.60 : 63,452.40 = 16,007.20 : x
  2. Step 2: Convert to fraction form
    42,301.60/63,452.40 = 16,007.20/x
  3. Step 3: Cross multiply
    42,301.60x = 63,452.40 × 16,007.20
  4. Step 4: Simplify right side
    42,301.60x = 1,015,695,257.28
  5. Step 5: Solve for x
    x = 1,015,695,257.28/42,301.60
  6. Step 6: Final answer
    x = 24,010.80

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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.