Home / 31,481.06-47,232.52-13,963.19

Finding the Fourth Proportional to 31,481.06, 47,232.52 and 13,963.19

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Solution

The fourth proportional to 31,481.06, 47,232.52 and 13,963.19 is: 20,949.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,481.06 : 47,232.52 = 13,963.19 : x
  2. Step 2: Convert to fraction form
    31,481.06/47,232.52 = 13,963.19/x
  3. Step 3: Cross multiply
    31,481.06x = 47,232.52 × 13,963.19
  4. Step 4: Simplify right side
    31,481.06x = 659,516,379.87
  5. Step 5: Solve for x
    x = 659,516,379.87/31,481.06
  6. Step 6: Final answer
    x = 20,949.63

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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.