Home / 47,789.82-71,693.19-18,210.42

Finding the Fourth Proportional to 47,789.82, 71,693.19 and 18,210.42

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Solution

The fourth proportional to 47,789.82, 71,693.19 and 18,210.42 is: 27,318.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,789.82 : 71,693.19 = 18,210.42 : x
  2. Step 2: Convert to fraction form
    47,789.82/71,693.19 = 18,210.42/x
  3. Step 3: Cross multiply
    47,789.82x = 71,693.19 × 18,210.42
  4. Step 4: Simplify right side
    47,789.82x = 1,305,563,101.04
  5. Step 5: Solve for x
    x = 1,305,563,101.04/47,789.82
  6. Step 6: Final answer
    x = 27,318.85

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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.