Home / 87,010.38-130,540.05-33,718.44

Finding the Fourth Proportional to 87,010.38, 130,540.05 and 33,718.44

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Solution

The fourth proportional to 87,010.38, 130,540.05 and 33,718.44 is: 50,587.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,010.38 : 130,540.05 = 33,718.44 : x
  2. Step 2: Convert to fraction form
    87,010.38/130,540.05 = 33,718.44/x
  3. Step 3: Cross multiply
    87,010.38x = 130,540.05 × 33,718.44
  4. Step 4: Simplify right side
    87,010.38x = 4,401,606,843.52
  5. Step 5: Solve for x
    x = 4,401,606,843.52/87,010.38
  6. Step 6: Final answer
    x = 50,587.15

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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.