Home / 47,615.38-71,424.42-18,027.70

Finding the Fourth Proportional to 47,615.38, 71,424.42 and 18,027.70

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Solution

The fourth proportional to 47,615.38, 71,424.42 and 18,027.70 is: 27,042.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,615.38 : 71,424.42 = 18,027.70 : x
  2. Step 2: Convert to fraction form
    47,615.38/71,424.42 = 18,027.70/x
  3. Step 3: Cross multiply
    47,615.38x = 71,424.42 × 18,027.70
  4. Step 4: Simplify right side
    47,615.38x = 1,287,618,016.43
  5. Step 5: Solve for x
    x = 1,287,618,016.43/47,615.38
  6. Step 6: Final answer
    x = 27,042.06

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1.5x scale

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.