Home / 49,744.12-74,608.81-18,146.78

Finding the Fourth Proportional to 49,744.12, 74,608.81 and 18,146.78

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Solution

The fourth proportional to 49,744.12, 74,608.81 and 18,146.78 is: 27,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,744.12 : 74,608.81 = 18,146.78 : x
  2. Step 2: Convert to fraction form
    49,744.12/74,608.81 = 18,146.78/x
  3. Step 3: Cross multiply
    49,744.12x = 74,608.81 × 18,146.78
  4. Step 4: Simplify right side
    49,744.12x = 1,353,909,661.13
  5. Step 5: Solve for x
    x = 1,353,909,661.13/49,744.12
  6. Step 6: Final answer
    x = 27,217.48

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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.