Home / 36,314.22-50,116.31-20,399.61

Finding the Fourth Proportional to 36,314.22, 50,116.31 and 20,399.61

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Solution

The fourth proportional to 36,314.22, 50,116.31 and 20,399.61 is: 28,152.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,314.22 : 50,116.31 = 20,399.61 : x
  2. Step 2: Convert to fraction form
    36,314.22/50,116.31 = 20,399.61/x
  3. Step 3: Cross multiply
    36,314.22x = 50,116.31 × 20,399.61
  4. Step 4: Simplify right side
    36,314.22x = 1,022,353,178.64
  5. Step 5: Solve for x
    x = 1,022,353,178.64/36,314.22
  6. Step 6: Final answer
    x = 28,152.97

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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.