Home / 31,983.98-47,975.92-8,610.44

Finding the Fourth Proportional to 31,983.98, 47,975.92 and 8,610.44

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Solution

The fourth proportional to 31,983.98, 47,975.92 and 8,610.44 is: 12,915.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.98 : 47,975.92 = 8,610.44 : x
  2. Step 2: Convert to fraction form
    31,983.98/47,975.92 = 8,610.44/x
  3. Step 3: Cross multiply
    31,983.98x = 47,975.92 × 8,610.44
  4. Step 4: Simplify right side
    31,983.98x = 413,093,519.20
  5. Step 5: Solve for x
    x = 413,093,519.20/31,983.98
  6. Step 6: Final answer
    x = 12,915.64

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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.