Home / 31,960.83-47,948.16-12,239.39

Finding the Fourth Proportional to 31,960.83, 47,948.16 and 12,239.39

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Solution

The fourth proportional to 31,960.83, 47,948.16 and 12,239.39 is: 18,361.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,960.83 : 47,948.16 = 12,239.39 : x
  2. Step 2: Convert to fraction form
    31,960.83/47,948.16 = 12,239.39/x
  3. Step 3: Cross multiply
    31,960.83x = 47,948.16 × 12,239.39
  4. Step 4: Simplify right side
    31,960.83x = 586,856,126.08
  5. Step 5: Solve for x
    x = 586,856,126.08/31,960.83
  6. Step 6: Final answer
    x = 18,361.73

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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.