Home / 40,181.98-55,452.44-22,278.65

Finding the Fourth Proportional to 40,181.98, 55,452.44 and 22,278.65

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Solution

The fourth proportional to 40,181.98, 55,452.44 and 22,278.65 is: 30,745.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.98 : 55,452.44 = 22,278.65 : x
  2. Step 2: Convert to fraction form
    40,181.98/55,452.44 = 22,278.65/x
  3. Step 3: Cross multiply
    40,181.98x = 55,452.44 × 22,278.65
  4. Step 4: Simplify right side
    40,181.98x = 1,235,405,502.41
  5. Step 5: Solve for x
    x = 1,235,405,502.41/40,181.98
  6. Step 6: Final answer
    x = 30,745.26

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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.