Home / 38,562.90-57,851.20-13,617.42

Finding the Fourth Proportional to 38,562.90, 57,851.20 and 13,617.42

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Solution

The fourth proportional to 38,562.90, 57,851.20 and 13,617.42 is: 20,428.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,562.90 : 57,851.20 = 13,617.42 : x
  2. Step 2: Convert to fraction form
    38,562.90/57,851.20 = 13,617.42/x
  3. Step 3: Cross multiply
    38,562.90x = 57,851.20 × 13,617.42
  4. Step 4: Simplify right side
    38,562.90x = 787,784,087.90
  5. Step 5: Solve for x
    x = 787,784,087.90/38,562.90
  6. Step 6: Final answer
    x = 20,428.55

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1.5x scale

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.