Home / 49,439.54-74,159.26-19,857.38

Finding the Fourth Proportional to 49,439.54, 74,159.26 and 19,857.38

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Solution

The fourth proportional to 49,439.54, 74,159.26 and 19,857.38 is: 29,786.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,439.54 : 74,159.26 = 19,857.38 : x
  2. Step 2: Convert to fraction form
    49,439.54/74,159.26 = 19,857.38/x
  3. Step 3: Cross multiply
    49,439.54x = 74,159.26 × 19,857.38
  4. Step 4: Simplify right side
    49,439.54x = 1,472,608,185.90
  5. Step 5: Solve for x
    x = 1,472,608,185.90/49,439.54
  6. Step 6: Final answer
    x = 29,786.04

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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.