Home / 57,930.10-86,896.66-18,487.16

Finding the Fourth Proportional to 57,930.10, 86,896.66 and 18,487.16

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Solution

The fourth proportional to 57,930.10, 86,896.66 and 18,487.16 is: 27,731.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.10 : 86,896.66 = 18,487.16 : x
  2. Step 2: Convert to fraction form
    57,930.10/86,896.66 = 18,487.16/x
  3. Step 3: Cross multiply
    57,930.10x = 86,896.66 × 18,487.16
  4. Step 4: Simplify right side
    57,930.10x = 1,606,472,456.89
  5. Step 5: Solve for x
    x = 1,606,472,456.89/57,930.10
  6. Step 6: Final answer
    x = 27,731.22

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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.