Home / 49,370.99-74,067.44-19,388.12

Finding the Fourth Proportional to 49,370.99, 74,067.44 and 19,388.12

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Solution

The fourth proportional to 49,370.99, 74,067.44 and 19,388.12 is: 29,086.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,370.99 : 74,067.44 = 19,388.12 : x
  2. Step 2: Convert to fraction form
    49,370.99/74,067.44 = 19,388.12/x
  3. Step 3: Cross multiply
    49,370.99x = 74,067.44 × 19,388.12
  4. Step 4: Simplify right side
    49,370.99x = 1,436,027,947.54
  5. Step 5: Solve for x
    x = 1,436,027,947.54/49,370.99
  6. Step 6: Final answer
    x = 29,086.48

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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.