Home / 33,145.38-45,740.63-18,241.38

Finding the Fourth Proportional to 33,145.38, 45,740.63 and 18,241.38

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Solution

The fourth proportional to 33,145.38, 45,740.63 and 18,241.38 is: 25,173.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.38 : 45,740.63 = 18,241.38 : x
  2. Step 2: Convert to fraction form
    33,145.38/45,740.63 = 18,241.38/x
  3. Step 3: Cross multiply
    33,145.38x = 45,740.63 × 18,241.38
  4. Step 4: Simplify right side
    33,145.38x = 834,372,213.27
  5. Step 5: Solve for x
    x = 834,372,213.27/33,145.38
  6. Step 6: Final answer
    x = 25,173.11

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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.