Home / 40,147.85-55,401.64-22,241.56

Finding the Fourth Proportional to 40,147.85, 55,401.64 and 22,241.56

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Solution

The fourth proportional to 40,147.85, 55,401.64 and 22,241.56 is: 30,692.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.85 : 55,401.64 = 22,241.56 : x
  2. Step 2: Convert to fraction form
    40,147.85/55,401.64 = 22,241.56/x
  3. Step 3: Cross multiply
    40,147.85x = 55,401.64 × 22,241.56
  4. Step 4: Simplify right side
    40,147.85x = 1,232,218,788.95
  5. Step 5: Solve for x
    x = 1,232,218,788.95/40,147.85
  6. Step 6: Final answer
    x = 30,692.02

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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.