Home / 36,433.83-50,278.68-20,517.96

Finding the Fourth Proportional to 36,433.83, 50,278.68 and 20,517.96

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Solution

The fourth proportional to 36,433.83, 50,278.68 and 20,517.96 is: 28,314.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,433.83 : 50,278.68 = 20,517.96 : x
  2. Step 2: Convert to fraction form
    36,433.83/50,278.68 = 20,517.96/x
  3. Step 3: Cross multiply
    36,433.83x = 50,278.68 × 20,517.96
  4. Step 4: Simplify right side
    36,433.83x = 1,031,615,945.09
  5. Step 5: Solve for x
    x = 1,031,615,945.09/36,433.83
  6. Step 6: Final answer
    x = 28,314.78

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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.