Home / 50,757.72-76,124.26-21,175.80

Finding the Fourth Proportional to 50,757.72, 76,124.26 and 21,175.80

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Solution

The fourth proportional to 50,757.72, 76,124.26 and 21,175.80 is: 31,758.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,757.72 : 76,124.26 = 21,175.80 : x
  2. Step 2: Convert to fraction form
    50,757.72/76,124.26 = 21,175.80/x
  3. Step 3: Cross multiply
    50,757.72x = 76,124.26 × 21,175.80
  4. Step 4: Simplify right side
    50,757.72x = 1,611,992,104.91
  5. Step 5: Solve for x
    x = 1,611,992,104.91/50,757.72
  6. Step 6: Final answer
    x = 31,758.56

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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.