Home / 49,979.23-74,910.56-18,365.47

Finding the Fourth Proportional to 49,979.23, 74,910.56 and 18,365.47

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Solution

The fourth proportional to 49,979.23, 74,910.56 and 18,365.47 is: 27,526.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,979.23 : 74,910.56 = 18,365.47 : x
  2. Step 2: Convert to fraction form
    49,979.23/74,910.56 = 18,365.47/x
  3. Step 3: Cross multiply
    49,979.23x = 74,910.56 × 18,365.47
  4. Step 4: Simplify right side
    49,979.23x = 1,375,767,363.26
  5. Step 5: Solve for x
    x = 1,375,767,363.26/49,979.23
  6. Step 6: Final answer
    x = 27,526.78

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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.