Home / 43,675.13-65,538.11-18,372.80

Finding the Fourth Proportional to 43,675.13, 65,538.11 and 18,372.80

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Solution

The fourth proportional to 43,675.13, 65,538.11 and 18,372.80 is: 27,569.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,675.13 : 65,538.11 = 18,372.80 : x
  2. Step 2: Convert to fraction form
    43,675.13/65,538.11 = 18,372.80/x
  3. Step 3: Cross multiply
    43,675.13x = 65,538.11 × 18,372.80
  4. Step 4: Simplify right side
    43,675.13x = 1,204,118,167.85
  5. Step 5: Solve for x
    x = 1,204,118,167.85/43,675.13
  6. Step 6: Final answer
    x = 27,569.88

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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.