Home / 20,241.22-30,359.09-5,451.03

Finding the Fourth Proportional to 20,241.22, 30,359.09 and 5,451.03

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Solution

The fourth proportional to 20,241.22, 30,359.09 and 5,451.03 is: 8,175.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,241.22 : 30,359.09 = 5,451.03 : x
  2. Step 2: Convert to fraction form
    20,241.22/30,359.09 = 5,451.03/x
  3. Step 3: Cross multiply
    20,241.22x = 30,359.09 × 5,451.03
  4. Step 4: Simplify right side
    20,241.22x = 165,488,310.36
  5. Step 5: Solve for x
    x = 165,488,310.36/20,241.22
  6. Step 6: Final answer
    x = 8,175.81

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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.