Home / 40,406.88-55,757.92-23,405.69

Finding the Fourth Proportional to 40,406.88, 55,757.92 and 23,405.69

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Solution

The fourth proportional to 40,406.88, 55,757.92 and 23,405.69 is: 32,297.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406.88 : 55,757.92 = 23,405.69 : x
  2. Step 2: Convert to fraction form
    40,406.88/55,757.92 = 23,405.69/x
  3. Step 3: Cross multiply
    40,406.88x = 55,757.92 × 23,405.69
  4. Step 4: Simplify right side
    40,406.88x = 1,305,052,590.56
  5. Step 5: Solve for x
    x = 1,305,052,590.56/40,406.88
  6. Step 6: Final answer
    x = 32,297.78

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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.