Home / 50,976.18-76,469.13-19,813.86

Finding the Fourth Proportional to 50,976.18, 76,469.13 and 19,813.86

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Solution

The fourth proportional to 50,976.18, 76,469.13 and 19,813.86 is: 29,722.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,976.18 : 76,469.13 = 19,813.86 : x
  2. Step 2: Convert to fraction form
    50,976.18/76,469.13 = 19,813.86/x
  3. Step 3: Cross multiply
    50,976.18x = 76,469.13 × 19,813.86
  4. Step 4: Simplify right side
    50,976.18x = 1,515,148,636.14
  5. Step 5: Solve for x
    x = 1,515,148,636.14/50,976.18
  6. Step 6: Final answer
    x = 29,722.68

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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.