Home / 40,755.03-61,132.78-18,552.88

Finding the Fourth Proportional to 40,755.03, 61,132.78 and 18,552.88

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Solution

The fourth proportional to 40,755.03, 61,132.78 and 18,552.88 is: 27,829.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,755.03 : 61,132.78 = 18,552.88 : x
  2. Step 2: Convert to fraction form
    40,755.03/61,132.78 = 18,552.88/x
  3. Step 3: Cross multiply
    40,755.03x = 61,132.78 × 18,552.88
  4. Step 4: Simplify right side
    40,755.03x = 1,134,189,131.41
  5. Step 5: Solve for x
    x = 1,134,189,131.41/40,755.03
  6. Step 6: Final answer
    x = 27,829.43

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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.