Home / 43,553.28-65,301.84-18,609.60

Finding the Fourth Proportional to 43,553.28, 65,301.84 and 18,609.60

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Solution

The fourth proportional to 43,553.28, 65,301.84 and 18,609.60 is: 27,902.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,553.28 : 65,301.84 = 18,609.60 : x
  2. Step 2: Convert to fraction form
    43,553.28/65,301.84 = 18,609.60/x
  3. Step 3: Cross multiply
    43,553.28x = 65,301.84 × 18,609.60
  4. Step 4: Simplify right side
    43,553.28x = 1,215,241,121.66
  5. Step 5: Solve for x
    x = 1,215,241,121.66/43,553.28
  6. Step 6: Final answer
    x = 27,902.40

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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.