Home / 54,411.18-81,634.41-26,689.74

Finding the Fourth Proportional to 54,411.18, 81,634.41 and 26,689.74

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Solution

The fourth proportional to 54,411.18, 81,634.41 and 26,689.74 is: 40,043.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,411.18 : 81,634.41 = 26,689.74 : x
  2. Step 2: Convert to fraction form
    54,411.18/81,634.41 = 26,689.74/x
  3. Step 3: Cross multiply
    54,411.18x = 81,634.41 × 26,689.74
  4. Step 4: Simplify right side
    54,411.18x = 2,178,801,177.95
  5. Step 5: Solve for x
    x = 2,178,801,177.95/54,411.18
  6. Step 6: Final answer
    x = 40,043.26

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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.