Home / 50,908.72-76,285.12-21,310.44

Finding the Fourth Proportional to 50,908.72, 76,285.12 and 21,310.44

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Solution

The fourth proportional to 50,908.72, 76,285.12 and 21,310.44 is: 31,933.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,908.72 : 76,285.12 = 21,310.44 : x
  2. Step 2: Convert to fraction form
    50,908.72/76,285.12 = 21,310.44/x
  3. Step 3: Cross multiply
    50,908.72x = 76,285.12 × 21,310.44
  4. Step 4: Simplify right side
    50,908.72x = 1,625,669,472.65
  5. Step 5: Solve for x
    x = 1,625,669,472.65/50,908.72
  6. Step 6: Final answer
    x = 31,933.03

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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.