Home / 53,517.87-80,286.07-17,982.65

Finding the Fourth Proportional to 53,517.87, 80,286.07 and 17,982.65

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Solution

The fourth proportional to 53,517.87, 80,286.07 and 17,982.65 is: 26,977.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,517.87 : 80,286.07 = 17,982.65 : x
  2. Step 2: Convert to fraction form
    53,517.87/80,286.07 = 17,982.65/x
  3. Step 3: Cross multiply
    53,517.87x = 80,286.07 × 17,982.65
  4. Step 4: Simplify right side
    53,517.87x = 1,443,756,364.34
  5. Step 5: Solve for x
    x = 1,443,756,364.34/53,517.87
  6. Step 6: Final answer
    x = 26,977.09

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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.