Home / 57,930.34-86,890.05-18,480.52

Finding the Fourth Proportional to 57,930.34, 86,890.05 and 18,480.52

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Solution

The fourth proportional to 57,930.34, 86,890.05 and 18,480.52 is: 27,719.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,930.34 : 86,890.05 = 18,480.52 : x
  2. Step 2: Convert to fraction form
    57,930.34/86,890.05 = 18,480.52/x
  3. Step 3: Cross multiply
    57,930.34x = 86,890.05 × 18,480.52
  4. Step 4: Simplify right side
    57,930.34x = 1,605,773,306.83
  5. Step 5: Solve for x
    x = 1,605,773,306.83/57,930.34
  6. Step 6: Final answer
    x = 27,719.04

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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.