Home / 54,843.65-82,248.46-19,778.75

Finding the Fourth Proportional to 54,843.65, 82,248.46 and 19,778.75

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Solution

The fourth proportional to 54,843.65, 82,248.46 and 19,778.75 is: 29,661.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,843.65 : 82,248.46 = 19,778.75 : x
  2. Step 2: Convert to fraction form
    54,843.65/82,248.46 = 19,778.75/x
  3. Step 3: Cross multiply
    54,843.65x = 82,248.46 × 19,778.75
  4. Step 4: Simplify right side
    54,843.65x = 1,626,771,218.09
  5. Step 5: Solve for x
    x = 1,626,771,218.09/54,843.65
  6. Step 6: Final answer
    x = 29,661.98

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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.