Home / 43,997.10-66,028.05-17,720.70

Finding the Fourth Proportional to 43,997.10, 66,028.05 and 17,720.70

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Solution

The fourth proportional to 43,997.10, 66,028.05 and 17,720.70 is: 26,594.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,997.10 : 66,028.05 = 17,720.70 : x
  2. Step 2: Convert to fraction form
    43,997.10/66,028.05 = 17,720.70/x
  3. Step 3: Cross multiply
    43,997.10x = 66,028.05 × 17,720.70
  4. Step 4: Simplify right side
    43,997.10x = 1,170,063,265.64
  5. Step 5: Solve for x
    x = 1,170,063,265.64/43,997.10
  6. Step 6: Final answer
    x = 26,594.10

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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.