Home / 51,108.87-76,679-26,166.43

Finding the Fourth Proportional to 51,108.87, 76,679 and 26,166.43

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Solution

The fourth proportional to 51,108.87, 76,679 and 26,166.43 is: 39,257.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,108.87 : 76,679 = 26,166.43 : x
  2. Step 2: Convert to fraction form
    51,108.87/76,679 = 26,166.43/x
  3. Step 3: Cross multiply
    51,108.87x = 76,679 × 26,166.43
  4. Step 4: Simplify right side
    51,108.87x = 2,006,415,685.97
  5. Step 5: Solve for x
    x = 2,006,415,685.97/51,108.87
  6. Step 6: Final answer
    x = 39,257.68

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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.