Home / 54,284.31-81,427.48-16,845.60

Finding the Fourth Proportional to 54,284.31, 81,427.48 and 16,845.60

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Solution

The fourth proportional to 54,284.31, 81,427.48 and 16,845.60 is: 25,268.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,284.31 : 81,427.48 = 16,845.60 : x
  2. Step 2: Convert to fraction form
    54,284.31/81,427.48 = 16,845.60/x
  3. Step 3: Cross multiply
    54,284.31x = 81,427.48 × 16,845.60
  4. Step 4: Simplify right side
    54,284.31x = 1,371,694,714.97
  5. Step 5: Solve for x
    x = 1,371,694,714.97/54,284.31
  6. Step 6: Final answer
    x = 25,268.71

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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.