Home / 36,432.56-50,278.12-20,517.28

Finding the Fourth Proportional to 36,432.56, 50,278.12 and 20,517.28

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Solution

The fourth proportional to 36,432.56, 50,278.12 and 20,517.28 is: 28,314.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,432.56 : 50,278.12 = 20,517.28 : x
  2. Step 2: Convert to fraction form
    36,432.56/50,278.12 = 20,517.28/x
  3. Step 3: Cross multiply
    36,432.56x = 50,278.12 × 20,517.28
  4. Step 4: Simplify right side
    36,432.56x = 1,031,570,265.91
  5. Step 5: Solve for x
    x = 1,031,570,265.91/36,432.56
  6. Step 6: Final answer
    x = 28,314.51

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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.