Home / 31,981.44-47,972.25-12,266.04

Finding the Fourth Proportional to 31,981.44, 47,972.25 and 12,266.04

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Solution

The fourth proportional to 31,981.44, 47,972.25 and 12,266.04 is: 18,399.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,981.44 : 47,972.25 = 12,266.04 : x
  2. Step 2: Convert to fraction form
    31,981.44/47,972.25 = 12,266.04/x
  3. Step 3: Cross multiply
    31,981.44x = 47,972.25 × 12,266.04
  4. Step 4: Simplify right side
    31,981.44x = 588,429,537.39
  5. Step 5: Solve for x
    x = 588,429,537.39/31,981.44
  6. Step 6: Final answer
    x = 18,399.09

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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.