Home / 31,481.30-47,190.39-14,626.15

Finding the Fourth Proportional to 31,481.30, 47,190.39 and 14,626.15

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Solution

The fourth proportional to 31,481.30, 47,190.39 and 14,626.15 is: 21,924.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.30 : 47,190.39 = 14,626.15 : x
  2. Step 2: Convert to fraction form
    31,481.30/47,190.39 = 14,626.15/x
  3. Step 3: Cross multiply
    31,481.30x = 47,190.39 × 14,626.15
  4. Step 4: Simplify right side
    31,481.30x = 690,213,722.70
  5. Step 5: Solve for x
    x = 690,213,722.70/31,481.30
  6. Step 6: Final answer
    x = 21,924.56

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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.