Home / 54,353.25-81,519.45-16,913.79

Finding the Fourth Proportional to 54,353.25, 81,519.45 and 16,913.79

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Solution

The fourth proportional to 54,353.25, 81,519.45 and 16,913.79 is: 25,367.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353.25 : 81,519.45 = 16,913.79 : x
  2. Step 2: Convert to fraction form
    54,353.25/81,519.45 = 16,913.79/x
  3. Step 3: Cross multiply
    54,353.25x = 81,519.45 × 16,913.79
  4. Step 4: Simplify right side
    54,353.25x = 1,378,802,858.22
  5. Step 5: Solve for x
    x = 1,378,802,858.22/54,353.25
  6. Step 6: Final answer
    x = 25,367.44

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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.