Home / 32,517.78-48,778.56-12,791.04

Finding the Fourth Proportional to 32,517.78, 48,778.56 and 12,791.04

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Solution

The fourth proportional to 32,517.78, 48,778.56 and 12,791.04 is: 19,187.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,517.78 : 48,778.56 = 12,791.04 : x
  2. Step 2: Convert to fraction form
    32,517.78/48,778.56 = 12,791.04/x
  3. Step 3: Cross multiply
    32,517.78x = 48,778.56 × 12,791.04
  4. Step 4: Simplify right side
    32,517.78x = 623,928,512.10
  5. Step 5: Solve for x
    x = 623,928,512.10/32,517.78
  6. Step 6: Final answer
    x = 19,187.30

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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.