Home / 36,456.85-50,311.43-20,540.35

Finding the Fourth Proportional to 36,456.85, 50,311.43 and 20,540.35

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Solution

The fourth proportional to 36,456.85, 50,311.43 and 20,540.35 is: 28,346.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,456.85 : 50,311.43 = 20,540.35 : x
  2. Step 2: Convert to fraction form
    36,456.85/50,311.43 = 20,540.35/x
  3. Step 3: Cross multiply
    36,456.85x = 50,311.43 × 20,540.35
  4. Step 4: Simplify right side
    36,456.85x = 1,033,414,381.20
  5. Step 5: Solve for x
    x = 1,033,414,381.20/36,456.85
  6. Step 6: Final answer
    x = 28,346.23

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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.