Home / 36,290.57-50,080.25-20,375.02

Finding the Fourth Proportional to 36,290.57, 50,080.25 and 20,375.02

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Solution

The fourth proportional to 36,290.57, 50,080.25 and 20,375.02 is: 28,117.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,290.57 : 50,080.25 = 20,375.02 : x
  2. Step 2: Convert to fraction form
    36,290.57/50,080.25 = 20,375.02/x
  3. Step 3: Cross multiply
    36,290.57x = 50,080.25 × 20,375.02
  4. Step 4: Simplify right side
    36,290.57x = 1,020,385,993.48
  5. Step 5: Solve for x
    x = 1,020,385,993.48/36,290.57
  6. Step 6: Final answer
    x = 28,117.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.