Home / 31,452.60-47,179.62-8,079.24

Finding the Fourth Proportional to 31,452.60, 47,179.62 and 8,079.24

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Solution

The fourth proportional to 31,452.60, 47,179.62 and 8,079.24 is: 12,119.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,452.60 : 47,179.62 = 8,079.24 : x
  2. Step 2: Convert to fraction form
    31,452.60/47,179.62 = 8,079.24/x
  3. Step 3: Cross multiply
    31,452.60x = 47,179.62 × 8,079.24
  4. Step 4: Simplify right side
    31,452.60x = 381,175,473.09
  5. Step 5: Solve for x
    x = 381,175,473.09/31,452.60
  6. Step 6: Final answer
    x = 12,119.04

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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.