Home / 54,443.07-81,676.15-19,382.63

Finding the Fourth Proportional to 54,443.07, 81,676.15 and 19,382.63

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Solution

The fourth proportional to 54,443.07, 81,676.15 and 19,382.63 is: 29,078.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,443.07 : 81,676.15 = 19,382.63 : x
  2. Step 2: Convert to fraction form
    54,443.07/81,676.15 = 19,382.63/x
  3. Step 3: Cross multiply
    54,443.07x = 81,676.15 × 19,382.63
  4. Step 4: Simplify right side
    54,443.07x = 1,583,098,138.44
  5. Step 5: Solve for x
    x = 1,583,098,138.44/54,443.07
  6. Step 6: Final answer
    x = 29,078.05

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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.