Home / 43,487.28-65,224.44-13,902.03

Finding the Fourth Proportional to 43,487.28, 65,224.44 and 13,902.03

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Solution

The fourth proportional to 43,487.28, 65,224.44 and 13,902.03 is: 20,850.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,487.28 : 65,224.44 = 13,902.03 : x
  2. Step 2: Convert to fraction form
    43,487.28/65,224.44 = 13,902.03/x
  3. Step 3: Cross multiply
    43,487.28x = 65,224.44 × 13,902.03
  4. Step 4: Simplify right side
    43,487.28x = 906,752,121.61
  5. Step 5: Solve for x
    x = 906,752,121.61/43,487.28
  6. Step 6: Final answer
    x = 20,850.97

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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.