Home / 54,022.73-81,034.09-14,579.78

Finding the Fourth Proportional to 54,022.73, 81,034.09 and 14,579.78

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Solution

The fourth proportional to 54,022.73, 81,034.09 and 14,579.78 is: 21,869.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,022.73 : 81,034.09 = 14,579.78 : x
  2. Step 2: Convert to fraction form
    54,022.73/81,034.09 = 14,579.78/x
  3. Step 3: Cross multiply
    54,022.73x = 81,034.09 × 14,579.78
  4. Step 4: Simplify right side
    54,022.73x = 1,181,458,763.08
  5. Step 5: Solve for x
    x = 1,181,458,763.08/54,022.73
  6. Step 6: Final answer
    x = 21,869.66

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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.