Home / 54,311.38-81,479.82-16,869.52

Finding the Fourth Proportional to 54,311.38, 81,479.82 and 16,869.52

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Solution

The fourth proportional to 54,311.38, 81,479.82 and 16,869.52 is: 25,308.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.38 : 81,479.82 = 16,869.52 : x
  2. Step 2: Convert to fraction form
    54,311.38/81,479.82 = 16,869.52/x
  3. Step 3: Cross multiply
    54,311.38x = 81,479.82 × 16,869.52
  4. Step 4: Simplify right side
    54,311.38x = 1,374,525,453.09
  5. Step 5: Solve for x
    x = 1,374,525,453.09/54,311.38
  6. Step 6: Final answer
    x = 25,308.24

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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.