Home / 49,579.26-74,398.44-17,991.79

Finding the Fourth Proportional to 49,579.26, 74,398.44 and 17,991.79

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Solution

The fourth proportional to 49,579.26, 74,398.44 and 17,991.79 is: 26,998.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,579.26 : 74,398.44 = 17,991.79 : x
  2. Step 2: Convert to fraction form
    49,579.26/74,398.44 = 17,991.79/x
  3. Step 3: Cross multiply
    49,579.26x = 74,398.44 × 17,991.79
  4. Step 4: Simplify right side
    49,579.26x = 1,338,561,176.28
  5. Step 5: Solve for x
    x = 1,338,561,176.28/49,579.26
  6. Step 6: Final answer
    x = 26,998.41

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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.