Home / 31,481.56-47,233.27-13,963.69

Finding the Fourth Proportional to 31,481.56, 47,233.27 and 13,963.69

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Solution

The fourth proportional to 31,481.56, 47,233.27 and 13,963.69 is: 20,950.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.56 : 47,233.27 = 13,963.69 : x
  2. Step 2: Convert to fraction form
    31,481.56/47,233.27 = 13,963.69/x
  3. Step 3: Cross multiply
    31,481.56x = 47,233.27 × 13,963.69
  4. Step 4: Simplify right side
    31,481.56x = 659,550,503.80
  5. Step 5: Solve for x
    x = 659,550,503.80/31,481.56
  6. Step 6: Final answer
    x = 20,950.38

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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.