Home / 36,660.20-54,990.50-13,286.03

Finding the Fourth Proportional to 36,660.20, 54,990.50 and 13,286.03

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Solution

The fourth proportional to 36,660.20, 54,990.50 and 13,286.03 is: 19,929.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,660.20 : 54,990.50 = 13,286.03 : x
  2. Step 2: Convert to fraction form
    36,660.20/54,990.50 = 13,286.03/x
  3. Step 3: Cross multiply
    36,660.20x = 54,990.50 × 13,286.03
  4. Step 4: Simplify right side
    36,660.20x = 730,605,091.33
  5. Step 5: Solve for x
    x = 730,605,091.33/36,660.20
  6. Step 6: Final answer
    x = 19,929.11

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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.