Home / 54,767.18-82,100.82-19,698.78

Finding the Fourth Proportional to 54,767.18, 82,100.82 and 19,698.78

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Solution

The fourth proportional to 54,767.18, 82,100.82 and 19,698.78 is: 29,530.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,767.18 : 82,100.82 = 19,698.78 : x
  2. Step 2: Convert to fraction form
    54,767.18/82,100.82 = 19,698.78/x
  3. Step 3: Cross multiply
    54,767.18x = 82,100.82 × 19,698.78
  4. Step 4: Simplify right side
    54,767.18x = 1,617,285,991.00
  5. Step 5: Solve for x
    x = 1,617,285,991.00/54,767.18
  6. Step 6: Final answer
    x = 29,530.20

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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.