Home / 31,983.14-47,974.95-12,256.98

Finding the Fourth Proportional to 31,983.14, 47,974.95 and 12,256.98

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Solution

The fourth proportional to 31,983.14, 47,974.95 and 12,256.98 is: 18,385.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.14 : 47,974.95 = 12,256.98 : x
  2. Step 2: Convert to fraction form
    31,983.14/47,974.95 = 12,256.98/x
  3. Step 3: Cross multiply
    31,983.14x = 47,974.95 × 12,256.98
  4. Step 4: Simplify right side
    31,983.14x = 588,028,002.65
  5. Step 5: Solve for x
    x = 588,028,002.65/31,983.14
  6. Step 6: Final answer
    x = 18,385.56

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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.