Home / 43,741.91-65,613.18-18,760.88

Finding the Fourth Proportional to 43,741.91, 65,613.18 and 18,760.88

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Solution

The fourth proportional to 43,741.91, 65,613.18 and 18,760.88 is: 28,141.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,741.91 : 65,613.18 = 18,760.88 : x
  2. Step 2: Convert to fraction form
    43,741.91/65,613.18 = 18,760.88/x
  3. Step 3: Cross multiply
    43,741.91x = 65,613.18 × 18,760.88
  4. Step 4: Simplify right side
    43,741.91x = 1,230,960,996.40
  5. Step 5: Solve for x
    x = 1,230,960,996.40/43,741.91
  6. Step 6: Final answer
    x = 28,141.46

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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.