Home / 33,110.53-45,691.27-18,003.20

Finding the Fourth Proportional to 33,110.53, 45,691.27 and 18,003.20

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Solution

The fourth proportional to 33,110.53, 45,691.27 and 18,003.20 is: 24,843.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,110.53 : 45,691.27 = 18,003.20 : x
  2. Step 2: Convert to fraction form
    33,110.53/45,691.27 = 18,003.20/x
  3. Step 3: Cross multiply
    33,110.53x = 45,691.27 × 18,003.20
  4. Step 4: Simplify right side
    33,110.53x = 822,588,753.59
  5. Step 5: Solve for x
    x = 822,588,753.59/33,110.53
  6. Step 6: Final answer
    x = 24,843.72

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.