Home / 43,922.38-65,828.39-18,933.18

Finding the Fourth Proportional to 43,922.38, 65,828.39 and 18,933.18

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Solution

The fourth proportional to 43,922.38, 65,828.39 and 18,933.18 is: 28,375.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,922.38 : 65,828.39 = 18,933.18 : x
  2. Step 2: Convert to fraction form
    43,922.38/65,828.39 = 18,933.18/x
  3. Step 3: Cross multiply
    43,922.38x = 65,828.39 × 18,933.18
  4. Step 4: Simplify right side
    43,922.38x = 1,246,340,756.98
  5. Step 5: Solve for x
    x = 1,246,340,756.98/43,922.38
  6. Step 6: Final answer
    x = 28,375.98

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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.