Home / 40,146.15-55,400.11-22,241.44

Finding the Fourth Proportional to 40,146.15, 55,400.11 and 22,241.44

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Solution

The fourth proportional to 40,146.15, 55,400.11 and 22,241.44 is: 30,692.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,146.15 : 55,400.11 = 22,241.44 : x
  2. Step 2: Convert to fraction form
    40,146.15/55,400.11 = 22,241.44/x
  3. Step 3: Cross multiply
    40,146.15x = 55,400.11 × 22,241.44
  4. Step 4: Simplify right side
    40,146.15x = 1,232,178,222.56
  5. Step 5: Solve for x
    x = 1,232,178,222.56/40,146.15
  6. Step 6: Final answer
    x = 30,692.31

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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.