Home / 31,846.06-47,696.24-15,217.78

Finding the Fourth Proportional to 31,846.06, 47,696.24 and 15,217.78

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Solution

The fourth proportional to 31,846.06, 47,696.24 and 15,217.78 is: 22,791.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,846.06 : 47,696.24 = 15,217.78 : x
  2. Step 2: Convert to fraction form
    31,846.06/47,696.24 = 15,217.78/x
  3. Step 3: Cross multiply
    31,846.06x = 47,696.24 × 15,217.78
  4. Step 4: Simplify right side
    31,846.06x = 725,830,887.15
  5. Step 5: Solve for x
    x = 725,830,887.15/31,846.06
  6. Step 6: Final answer
    x = 22,791.86

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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.