Home / 31,626.28-47,446.25-11,904.77

Finding the Fourth Proportional to 31,626.28, 47,446.25 and 11,904.77

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Solution

The fourth proportional to 31,626.28, 47,446.25 and 11,904.77 is: 17,859.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,626.28 : 47,446.25 = 11,904.77 : x
  2. Step 2: Convert to fraction form
    31,626.28/47,446.25 = 11,904.77/x
  3. Step 3: Cross multiply
    31,626.28x = 47,446.25 × 11,904.77
  4. Step 4: Simplify right side
    31,626.28x = 564,836,752.70
  5. Step 5: Solve for x
    x = 564,836,752.70/31,626.28
  6. Step 6: Final answer
    x = 17,859.73

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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.