Home / 31,963.28-47,944.92-11,192.72

Finding the Fourth Proportional to 31,963.28, 47,944.92 and 11,192.72

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Solution

The fourth proportional to 31,963.28, 47,944.92 and 11,192.72 is: 16,789.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,963.28 : 47,944.92 = 11,192.72 : x
  2. Step 2: Convert to fraction form
    31,963.28/47,944.92 = 11,192.72/x
  3. Step 3: Cross multiply
    31,963.28x = 47,944.92 × 11,192.72
  4. Step 4: Simplify right side
    31,963.28x = 536,634,064.98
  5. Step 5: Solve for x
    x = 536,634,064.98/31,963.28
  6. Step 6: Final answer
    x = 16,789.08

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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.