Home / 31,997.75-47,996.42-17,213.63

Finding the Fourth Proportional to 31,997.75, 47,996.42 and 17,213.63

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Solution

The fourth proportional to 31,997.75, 47,996.42 and 17,213.63 is: 25,820.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,997.75 : 47,996.42 = 17,213.63 : x
  2. Step 2: Convert to fraction form
    31,997.75/47,996.42 = 17,213.63/x
  3. Step 3: Cross multiply
    31,997.75x = 47,996.42 × 17,213.63
  4. Step 4: Simplify right side
    31,997.75x = 826,192,289.15
  5. Step 5: Solve for x
    x = 826,192,289.15/31,997.75
  6. Step 6: Final answer
    x = 25,820.33

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1.5x scale

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.