Home / 37,286.94-51,456-20,519.94

Finding the Fourth Proportional to 37,286.94, 51,456 and 20,519.94

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Solution

The fourth proportional to 37,286.94, 51,456 and 20,519.94 is: 28,317.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,286.94 : 51,456 = 20,519.94 : x
  2. Step 2: Convert to fraction form
    37,286.94/51,456 = 20,519.94/x
  3. Step 3: Cross multiply
    37,286.94x = 51,456 × 20,519.94
  4. Step 4: Simplify right side
    37,286.94x = 1,055,874,032.64
  5. Step 5: Solve for x
    x = 1,055,874,032.64/37,286.94
  6. Step 6: Final answer
    x = 28,317.53

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.