Home / 55,713.12-83,572.38-18,269.88

Finding the Fourth Proportional to 55,713.12, 83,572.38 and 18,269.88

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Solution

The fourth proportional to 55,713.12, 83,572.38 and 18,269.88 is: 27,405.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,713.12 : 83,572.38 = 18,269.88 : x
  2. Step 2: Convert to fraction form
    55,713.12/83,572.38 = 18,269.88/x
  3. Step 3: Cross multiply
    55,713.12x = 83,572.38 × 18,269.88
  4. Step 4: Simplify right side
    55,713.12x = 1,526,857,353.91
  5. Step 5: Solve for x
    x = 1,526,857,353.91/55,713.12
  6. Step 6: Final answer
    x = 27,405.71

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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.