Home / 31,540.77-47,319.15-10,480.92

Finding the Fourth Proportional to 31,540.77, 47,319.15 and 10,480.92

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Solution

The fourth proportional to 31,540.77, 47,319.15 and 10,480.92 is: 15,724.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,540.77 : 47,319.15 = 10,480.92 : x
  2. Step 2: Convert to fraction form
    31,540.77/47,319.15 = 10,480.92/x
  3. Step 3: Cross multiply
    31,540.77x = 47,319.15 × 10,480.92
  4. Step 4: Simplify right side
    31,540.77x = 495,948,225.62
  5. Step 5: Solve for x
    x = 495,948,225.62/31,540.77
  6. Step 6: Final answer
    x = 15,724.04

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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.