Home / 87,997.24-131,995.79-31,824.19

Finding the Fourth Proportional to 87,997.24, 131,995.79 and 31,824.19

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Solution

The fourth proportional to 87,997.24, 131,995.79 and 31,824.19 is: 47,736.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,997.24 : 131,995.79 = 31,824.19 : x
  2. Step 2: Convert to fraction form
    87,997.24/131,995.79 = 31,824.19/x
  3. Step 3: Cross multiply
    87,997.24x = 131,995.79 × 31,824.19
  4. Step 4: Simplify right side
    87,997.24x = 4,200,659,100.16
  5. Step 5: Solve for x
    x = 4,200,659,100.16/87,997.24
  6. Step 6: Final answer
    x = 47,736.26

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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.