Home / 36,516.12-54,763.20-18,976.36

Finding the Fourth Proportional to 36,516.12, 54,763.20 and 18,976.36

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Solution

The fourth proportional to 36,516.12, 54,763.20 and 18,976.36 is: 28,458.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,516.12 : 54,763.20 = 18,976.36 : x
  2. Step 2: Convert to fraction form
    36,516.12/54,763.20 = 18,976.36/x
  3. Step 3: Cross multiply
    36,516.12x = 54,763.20 × 18,976.36
  4. Step 4: Simplify right side
    36,516.12x = 1,039,206,197.95
  5. Step 5: Solve for x
    x = 1,039,206,197.95/36,516.12
  6. Step 6: Final answer
    x = 28,458.83

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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.