Home / 36,264.80-54,309.60-20,635.04

Finding the Fourth Proportional to 36,264.80, 54,309.60 and 20,635.04

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Solution

The fourth proportional to 36,264.80, 54,309.60 and 20,635.04 is: 30,902.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,264.80 : 54,309.60 = 20,635.04 : x
  2. Step 2: Convert to fraction form
    36,264.80/54,309.60 = 20,635.04/x
  3. Step 3: Cross multiply
    36,264.80x = 54,309.60 × 20,635.04
  4. Step 4: Simplify right side
    36,264.80x = 1,120,680,768.38
  5. Step 5: Solve for x
    x = 1,120,680,768.38/36,264.80
  6. Step 6: Final answer
    x = 30,902.71

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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.