Home / 31,522.60-47,285.51-8,149.24

Finding the Fourth Proportional to 31,522.60, 47,285.51 and 8,149.24

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Solution

The fourth proportional to 31,522.60, 47,285.51 and 8,149.24 is: 12,224.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,522.60 : 47,285.51 = 8,149.24 : x
  2. Step 2: Convert to fraction form
    31,522.60/47,285.51 = 8,149.24/x
  3. Step 3: Cross multiply
    31,522.60x = 47,285.51 × 8,149.24
  4. Step 4: Simplify right side
    31,522.60x = 385,340,753.46
  5. Step 5: Solve for x
    x = 385,340,753.46/31,522.60
  6. Step 6: Final answer
    x = 12,224.27

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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.