Home / 31,771.46-47,626.20-15,127.02

Finding the Fourth Proportional to 31,771.46, 47,626.20 and 15,127.02

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Solution

The fourth proportional to 31,771.46, 47,626.20 and 15,127.02 is: 22,675.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,771.46 : 47,626.20 = 15,127.02 : x
  2. Step 2: Convert to fraction form
    31,771.46/47,626.20 = 15,127.02/x
  3. Step 3: Cross multiply
    31,771.46x = 47,626.20 × 15,127.02
  4. Step 4: Simplify right side
    31,771.46x = 720,442,404.29
  5. Step 5: Solve for x
    x = 720,442,404.29/31,771.46
  6. Step 6: Final answer
    x = 22,675.78

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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.