Home / 57,516.73-86,270.97-18,085.12

Finding the Fourth Proportional to 57,516.73, 86,270.97 and 18,085.12

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Solution

The fourth proportional to 57,516.73, 86,270.97 and 18,085.12 is: 27,126.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,516.73 : 86,270.97 = 18,085.12 : x
  2. Step 2: Convert to fraction form
    57,516.73/86,270.97 = 18,085.12/x
  3. Step 3: Cross multiply
    57,516.73x = 86,270.97 × 18,085.12
  4. Step 4: Simplify right side
    57,516.73x = 1,560,221,182.38
  5. Step 5: Solve for x
    x = 1,560,221,182.38/57,516.73
  6. Step 6: Final answer
    x = 27,126.39

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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.