Home / 29,452.10-44,178.15-20,120.90

Finding the Fourth Proportional to 29,452.10, 44,178.15 and 20,120.90

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Solution

The fourth proportional to 29,452.10, 44,178.15 and 20,120.90 is: 30,181.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,452.10 : 44,178.15 = 20,120.90 : x
  2. Step 2: Convert to fraction form
    29,452.10/44,178.15 = 20,120.90/x
  3. Step 3: Cross multiply
    29,452.10x = 44,178.15 × 20,120.90
  4. Step 4: Simplify right side
    29,452.10x = 888,904,138.34
  5. Step 5: Solve for x
    x = 888,904,138.34/29,452.10
  6. Step 6: Final answer
    x = 30,181.35

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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.