Home / 54,243.75-81,367.08-17,307.75

Finding the Fourth Proportional to 54,243.75, 81,367.08 and 17,307.75

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Solution

The fourth proportional to 54,243.75, 81,367.08 and 17,307.75 is: 25,962.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,243.75 : 81,367.08 = 17,307.75 : x
  2. Step 2: Convert to fraction form
    54,243.75/81,367.08 = 17,307.75/x
  3. Step 3: Cross multiply
    54,243.75x = 81,367.08 × 17,307.75
  4. Step 4: Simplify right side
    54,243.75x = 1,408,281,078.87
  5. Step 5: Solve for x
    x = 1,408,281,078.87/54,243.75
  6. Step 6: Final answer
    x = 25,962.09

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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.