Home / 54,339.44-81,520.89-16,898.78

Finding the Fourth Proportional to 54,339.44, 81,520.89 and 16,898.78

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Solution

The fourth proportional to 54,339.44, 81,520.89 and 16,898.78 is: 25,351.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,339.44 : 81,520.89 = 16,898.78 : x
  2. Step 2: Convert to fraction form
    54,339.44/81,520.89 = 16,898.78/x
  3. Step 3: Cross multiply
    54,339.44x = 81,520.89 × 16,898.78
  4. Step 4: Simplify right side
    54,339.44x = 1,377,603,585.51
  5. Step 5: Solve for x
    x = 1,377,603,585.51/54,339.44
  6. Step 6: Final answer
    x = 25,351.82

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1.5x scale

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.