Home / 36,291.64-50,082.66-20,375.80

Finding the Fourth Proportional to 36,291.64, 50,082.66 and 20,375.80

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Solution

The fourth proportional to 36,291.64, 50,082.66 and 20,375.80 is: 28,118.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,291.64 : 50,082.66 = 20,375.80 : x
  2. Step 2: Convert to fraction form
    36,291.64/50,082.66 = 20,375.80/x
  3. Step 3: Cross multiply
    36,291.64x = 50,082.66 × 20,375.80
  4. Step 4: Simplify right side
    36,291.64x = 1,020,474,263.63
  5. Step 5: Solve for x
    x = 1,020,474,263.63/36,291.64
  6. Step 6: Final answer
    x = 28,118.71

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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.