Home / 43,204.70-64,832.55-18,243.12

Finding the Fourth Proportional to 43,204.70, 64,832.55 and 18,243.12

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Solution

The fourth proportional to 43,204.70, 64,832.55 and 18,243.12 is: 27,375.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,204.70 : 64,832.55 = 18,243.12 : x
  2. Step 2: Convert to fraction form
    43,204.70/64,832.55 = 18,243.12/x
  3. Step 3: Cross multiply
    43,204.70x = 64,832.55 × 18,243.12
  4. Step 4: Simplify right side
    43,204.70x = 1,182,747,989.56
  5. Step 5: Solve for x
    x = 1,182,747,989.56/43,204.70
  6. Step 6: Final answer
    x = 27,375.45

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.