Home / 36,042.06-54,097.65-20,472.78

Finding the Fourth Proportional to 36,042.06, 54,097.65 and 20,472.78

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Solution

The fourth proportional to 36,042.06, 54,097.65 and 20,472.78 is: 30,728.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,042.06 : 54,097.65 = 20,472.78 : x
  2. Step 2: Convert to fraction form
    36,042.06/54,097.65 = 20,472.78/x
  3. Step 3: Cross multiply
    36,042.06x = 54,097.65 × 20,472.78
  4. Step 4: Simplify right side
    36,042.06x = 1,107,529,286.97
  5. Step 5: Solve for x
    x = 1,107,529,286.97/36,042.06
  6. Step 6: Final answer
    x = 30,728.80

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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.