Home / 87,996.32-131,936.17-31,829.03

Finding the Fourth Proportional to 87,996.32, 131,936.17 and 31,829.03

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Solution

The fourth proportional to 87,996.32, 131,936.17 and 31,829.03 is: 47,722.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,996.32 : 131,936.17 = 31,829.03 : x
  2. Step 2: Convert to fraction form
    87,996.32/131,936.17 = 31,829.03/x
  3. Step 3: Cross multiply
    87,996.32x = 131,936.17 × 31,829.03
  4. Step 4: Simplify right side
    87,996.32x = 4,199,400,563.28
  5. Step 5: Solve for x
    x = 4,199,400,563.28/87,996.32
  6. Step 6: Final answer
    x = 47,722.46

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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.