Home / 40,147.65-55,401.56-22,241.58

Finding the Fourth Proportional to 40,147.65, 55,401.56 and 22,241.58

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Solution

The fourth proportional to 40,147.65, 55,401.56 and 22,241.58 is: 30,692.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,147.65 : 55,401.56 = 22,241.58 : x
  2. Step 2: Convert to fraction form
    40,147.65/55,401.56 = 22,241.58/x
  3. Step 3: Cross multiply
    40,147.65x = 55,401.56 × 22,241.58
  4. Step 4: Simplify right side
    40,147.65x = 1,232,218,520.03
  5. Step 5: Solve for x
    x = 1,232,218,520.03/40,147.65
  6. Step 6: Final answer
    x = 30,692.17

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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.