Home / 36,365.20-50,183.65-20,449.31

Finding the Fourth Proportional to 36,365.20, 50,183.65 and 20,449.31

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Solution

The fourth proportional to 36,365.20, 50,183.65 and 20,449.31 is: 28,219.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,365.20 : 50,183.65 = 20,449.31 : x
  2. Step 2: Convert to fraction form
    36,365.20/50,183.65 = 20,449.31/x
  3. Step 3: Cross multiply
    36,365.20x = 50,183.65 × 20,449.31
  4. Step 4: Simplify right side
    36,365.20x = 1,026,221,015.78
  5. Step 5: Solve for x
    x = 1,026,221,015.78/36,365.20
  6. Step 6: Final answer
    x = 28,219.86

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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.