Home / 31,696.56-47,518.92-11,963.88

Finding the Fourth Proportional to 31,696.56, 47,518.92 and 11,963.88

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Solution

The fourth proportional to 31,696.56, 47,518.92 and 11,963.88 is: 17,936.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,696.56 : 47,518.92 = 11,963.88 : x
  2. Step 2: Convert to fraction form
    31,696.56/47,518.92 = 11,963.88/x
  3. Step 3: Cross multiply
    31,696.56x = 47,518.92 × 11,963.88
  4. Step 4: Simplify right side
    31,696.56x = 568,510,656.61
  5. Step 5: Solve for x
    x = 568,510,656.61/31,696.56
  6. Step 6: Final answer
    x = 17,936.04

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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.