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Finding the Fourth Proportional to 36,577.30, 50,480.78 and 20,662.78

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Solution

The fourth proportional to 36,577.30, 50,480.78 and 20,662.78 is: 28,516.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,577.30 : 50,480.78 = 20,662.78 : x
  2. Step 2: Convert to fraction form
    36,577.30/50,480.78 = 20,662.78/x
  3. Step 3: Cross multiply
    36,577.30x = 50,480.78 × 20,662.78
  4. Step 4: Simplify right side
    36,577.30x = 1,043,073,251.37
  5. Step 5: Solve for x
    x = 1,043,073,251.37/36,577.30
  6. Step 6: Final answer
    x = 28,516.96

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1.5x scale

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.