Home / 49,845.97-74,747.07-18,659.35

Finding the Fourth Proportional to 49,845.97, 74,747.07 and 18,659.35

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Solution

The fourth proportional to 49,845.97, 74,747.07 and 18,659.35 is: 27,980.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,845.97 : 74,747.07 = 18,659.35 : x
  2. Step 2: Convert to fraction form
    49,845.97/74,747.07 = 18,659.35/x
  3. Step 3: Cross multiply
    49,845.97x = 74,747.07 × 18,659.35
  4. Step 4: Simplify right side
    49,845.97x = 1,394,731,740.60
  5. Step 5: Solve for x
    x = 1,394,731,740.60/49,845.97
  6. Step 6: Final answer
    x = 27,980.83

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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.