Home / 54,442.71-81,675.60-19,382.25

Finding the Fourth Proportional to 54,442.71, 81,675.60 and 19,382.25

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Solution

The fourth proportional to 54,442.71, 81,675.60 and 19,382.25 is: 29,077.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,442.71 : 81,675.60 = 19,382.25 : x
  2. Step 2: Convert to fraction form
    54,442.71/81,675.60 = 19,382.25/x
  3. Step 3: Cross multiply
    54,442.71x = 81,675.60 × 19,382.25
  4. Step 4: Simplify right side
    54,442.71x = 1,583,056,898.10
  5. Step 5: Solve for x
    x = 1,583,056,898.10/54,442.71
  6. Step 6: Final answer
    x = 29,077.48

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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.