Home / 31,972.88-47,959.80-12,252.44

Finding the Fourth Proportional to 31,972.88, 47,959.80 and 12,252.44

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Solution

The fourth proportional to 31,972.88, 47,959.80 and 12,252.44 is: 18,378.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,972.88 : 47,959.80 = 12,252.44 : x
  2. Step 2: Convert to fraction form
    31,972.88/47,959.80 = 12,252.44/x
  3. Step 3: Cross multiply
    31,972.88x = 47,959.80 × 12,252.44
  4. Step 4: Simplify right side
    31,972.88x = 587,624,571.91
  5. Step 5: Solve for x
    x = 587,624,571.91/31,972.88
  6. Step 6: Final answer
    x = 18,378.84

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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.