Home / 49,422.33-74,142.78-19,842.48

Finding the Fourth Proportional to 49,422.33, 74,142.78 and 19,842.48

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Solution

The fourth proportional to 49,422.33, 74,142.78 and 19,842.48 is: 29,767.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,422.33 : 74,142.78 = 19,842.48 : x
  2. Step 2: Convert to fraction form
    49,422.33/74,142.78 = 19,842.48/x
  3. Step 3: Cross multiply
    49,422.33x = 74,142.78 × 19,842.48
  4. Step 4: Simplify right side
    49,422.33x = 1,471,176,629.29
  5. Step 5: Solve for x
    x = 1,471,176,629.29/49,422.33
  6. Step 6: Final answer
    x = 29,767.45

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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.