Home / 32,399.88-48,591.10-13,680.04

Finding the Fourth Proportional to 32,399.88, 48,591.10 and 13,680.04

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Solution

The fourth proportional to 32,399.88, 48,591.10 and 13,680.04 is: 20,516.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,399.88 : 48,591.10 = 13,680.04 : x
  2. Step 2: Convert to fraction form
    32,399.88/48,591.10 = 13,680.04/x
  3. Step 3: Cross multiply
    32,399.88x = 48,591.10 × 13,680.04
  4. Step 4: Simplify right side
    32,399.88x = 664,728,191.64
  5. Step 5: Solve for x
    x = 664,728,191.64/32,399.88
  6. Step 6: Final answer
    x = 20,516.38

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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.