Home / 31,434.60-47,151.91-8,061.04

Finding the Fourth Proportional to 31,434.60, 47,151.91 and 8,061.04

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Solution

The fourth proportional to 31,434.60, 47,151.91 and 8,061.04 is: 12,091.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,434.60 : 47,151.91 = 8,061.04 : x
  2. Step 2: Convert to fraction form
    31,434.60/47,151.91 = 8,061.04/x
  3. Step 3: Cross multiply
    31,434.60x = 47,151.91 × 8,061.04
  4. Step 4: Simplify right side
    31,434.60x = 380,093,294.55
  5. Step 5: Solve for x
    x = 380,093,294.55/31,434.60
  6. Step 6: Final answer
    x = 12,091.56

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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.