Home / 31,961.33-47,948.92-12,239.89

Finding the Fourth Proportional to 31,961.33, 47,948.92 and 12,239.89

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Solution

The fourth proportional to 31,961.33, 47,948.92 and 12,239.89 is: 18,362.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,961.33 : 47,948.92 = 12,239.89 : x
  2. Step 2: Convert to fraction form
    31,961.33/47,948.92 = 12,239.89/x
  3. Step 3: Cross multiply
    31,961.33x = 47,948.92 × 12,239.89
  4. Step 4: Simplify right side
    31,961.33x = 586,889,205.47
  5. Step 5: Solve for x
    x = 586,889,205.47/31,961.33
  6. Step 6: Final answer
    x = 18,362.48

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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.