Home / 40,181.85-55,452.26-22,278.52

Finding the Fourth Proportional to 40,181.85, 55,452.26 and 22,278.52

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Solution

The fourth proportional to 40,181.85, 55,452.26 and 22,278.52 is: 30,745.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,181.85 : 55,452.26 = 22,278.52 : x
  2. Step 2: Convert to fraction form
    40,181.85/55,452.26 = 22,278.52/x
  3. Step 3: Cross multiply
    40,181.85x = 55,452.26 × 22,278.52
  4. Step 4: Simplify right side
    40,181.85x = 1,235,394,200.52
  5. Step 5: Solve for x
    x = 1,235,394,200.52/40,181.85
  6. Step 6: Final answer
    x = 30,745.08

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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.