Home / 36,010.40-54,016.54-21,229.92

Finding the Fourth Proportional to 36,010.40, 54,016.54 and 21,229.92

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Solution

The fourth proportional to 36,010.40, 54,016.54 and 21,229.92 is: 31,845.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,010.40 : 54,016.54 = 21,229.92 : x
  2. Step 2: Convert to fraction form
    36,010.40/54,016.54 = 21,229.92/x
  3. Step 3: Cross multiply
    36,010.40x = 54,016.54 × 21,229.92
  4. Step 4: Simplify right side
    36,010.40x = 1,146,766,769.80
  5. Step 5: Solve for x
    x = 1,146,766,769.80/36,010.40
  6. Step 6: Final answer
    x = 31,845.44

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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.