Home / 36,324.06-50,121.60-20,405.43

Finding the Fourth Proportional to 36,324.06, 50,121.60 and 20,405.43

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Solution

The fourth proportional to 36,324.06, 50,121.60 and 20,405.43 is: 28,156.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,324.06 : 50,121.60 = 20,405.43 : x
  2. Step 2: Convert to fraction form
    36,324.06/50,121.60 = 20,405.43/x
  3. Step 3: Cross multiply
    36,324.06x = 50,121.60 × 20,405.43
  4. Step 4: Simplify right side
    36,324.06x = 1,022,752,800.29
  5. Step 5: Solve for x
    x = 1,022,752,800.29/36,324.06
  6. Step 6: Final answer
    x = 28,156.35

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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.