Home / 49,816.56-74,757.20-18,651.52

Finding the Fourth Proportional to 49,816.56, 74,757.20 and 18,651.52

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Solution

The fourth proportional to 49,816.56, 74,757.20 and 18,651.52 is: 27,989.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,816.56 : 74,757.20 = 18,651.52 : x
  2. Step 2: Convert to fraction form
    49,816.56/74,757.20 = 18,651.52/x
  3. Step 3: Cross multiply
    49,816.56x = 74,757.20 × 18,651.52
  4. Step 4: Simplify right side
    49,816.56x = 1,394,335,410.94
  5. Step 5: Solve for x
    x = 1,394,335,410.94/49,816.56
  6. Step 6: Final answer
    x = 27,989.40

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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.