Home / 31,844.29-47,766.89-12,123.92

Finding the Fourth Proportional to 31,844.29, 47,766.89 and 12,123.92

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Solution

The fourth proportional to 31,844.29, 47,766.89 and 12,123.92 is: 18,186.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,844.29 : 47,766.89 = 12,123.92 : x
  2. Step 2: Convert to fraction form
    31,844.29/47,766.89 = 12,123.92/x
  3. Step 3: Cross multiply
    31,844.29x = 47,766.89 × 12,123.92
  4. Step 4: Simplify right side
    31,844.29x = 579,122,011.81
  5. Step 5: Solve for x
    x = 579,122,011.81/31,844.29
  6. Step 6: Final answer
    x = 18,186.06

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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.