Home / 49,709.96-74,562.48-18,542.80

Finding the Fourth Proportional to 49,709.96, 74,562.48 and 18,542.80

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Solution

The fourth proportional to 49,709.96, 74,562.48 and 18,542.80 is: 27,813.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,709.96 : 74,562.48 = 18,542.80 : x
  2. Step 2: Convert to fraction form
    49,709.96/74,562.48 = 18,542.80/x
  3. Step 3: Cross multiply
    49,709.96x = 74,562.48 × 18,542.80
  4. Step 4: Simplify right side
    49,709.96x = 1,382,597,154.14
  5. Step 5: Solve for x
    x = 1,382,597,154.14/49,709.96
  6. Step 6: Final answer
    x = 27,813.28

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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.