Home / 51,285.98-76,910.73-19,698.41

Finding the Fourth Proportional to 51,285.98, 76,910.73 and 19,698.41

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Solution

The fourth proportional to 51,285.98, 76,910.73 and 19,698.41 is: 29,540.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,285.98 : 76,910.73 = 19,698.41 : x
  2. Step 2: Convert to fraction form
    51,285.98/76,910.73 = 19,698.41/x
  3. Step 3: Cross multiply
    51,285.98x = 76,910.73 × 19,698.41
  4. Step 4: Simplify right side
    51,285.98x = 1,515,019,092.94
  5. Step 5: Solve for x
    x = 1,515,019,092.94/51,285.98
  6. Step 6: Final answer
    x = 29,540.61

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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.