Home / 57,142.55-85,769.22-27,581.15

Finding the Fourth Proportional to 57,142.55, 85,769.22 and 27,581.15

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Solution

The fourth proportional to 57,142.55, 85,769.22 and 27,581.15 is: 41,398.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,142.55 : 85,769.22 = 27,581.15 : x
  2. Step 2: Convert to fraction form
    57,142.55/85,769.22 = 27,581.15/x
  3. Step 3: Cross multiply
    57,142.55x = 85,769.22 × 27,581.15
  4. Step 4: Simplify right side
    57,142.55x = 2,365,613,722.20
  5. Step 5: Solve for x
    x = 2,365,613,722.20/57,142.55
  6. Step 6: Final answer
    x = 41,398.46

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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.