Home / 39,861.48-54,988.26-25,691.88

Finding the Fourth Proportional to 39,861.48, 54,988.26 and 25,691.88

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Solution

The fourth proportional to 39,861.48, 54,988.26 and 25,691.88 is: 35,441.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,861.48 : 54,988.26 = 25,691.88 : x
  2. Step 2: Convert to fraction form
    39,861.48/54,988.26 = 25,691.88/x
  3. Step 3: Cross multiply
    39,861.48x = 54,988.26 × 25,691.88
  4. Step 4: Simplify right side
    39,861.48x = 1,412,751,777.33
  5. Step 5: Solve for x
    x = 1,412,751,777.33/39,861.48
  6. Step 6: Final answer
    x = 35,441.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.