Home / 31,982.64-47,972.34-11,204.52

Finding the Fourth Proportional to 31,982.64, 47,972.34 and 11,204.52

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Solution

The fourth proportional to 31,982.64, 47,972.34 and 11,204.52 is: 16,806.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,982.64 : 47,972.34 = 11,204.52 : x
  2. Step 2: Convert to fraction form
    31,982.64/47,972.34 = 11,204.52/x
  3. Step 3: Cross multiply
    31,982.64x = 47,972.34 × 11,204.52
  4. Step 4: Simplify right side
    31,982.64x = 537,507,042.98
  5. Step 5: Solve for x
    x = 537,507,042.98/31,982.64
  6. Step 6: Final answer
    x = 16,806.21

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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.