Home / 31,974.22-47,965.71-10,908.61

Finding the Fourth Proportional to 31,974.22, 47,965.71 and 10,908.61

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Solution

The fourth proportional to 31,974.22, 47,965.71 and 10,908.61 is: 16,364.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,974.22 : 47,965.71 = 10,908.61 : x
  2. Step 2: Convert to fraction form
    31,974.22/47,965.71 = 10,908.61/x
  3. Step 3: Cross multiply
    31,974.22x = 47,965.71 × 10,908.61
  4. Step 4: Simplify right side
    31,974.22x = 523,239,103.85
  5. Step 5: Solve for x
    x = 523,239,103.85/31,974.22
  6. Step 6: Final answer
    x = 16,364.40

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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.