Home / 34,137.05-51,221.82-15,422.81

Finding the Fourth Proportional to 34,137.05, 51,221.82 and 15,422.81

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Solution

The fourth proportional to 34,137.05, 51,221.82 and 15,422.81 is: 23,141.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,137.05 : 51,221.82 = 15,422.81 : x
  2. Step 2: Convert to fraction form
    34,137.05/51,221.82 = 15,422.81/x
  3. Step 3: Cross multiply
    34,137.05x = 51,221.82 × 15,422.81
  4. Step 4: Simplify right side
    34,137.05x = 789,984,112.69
  5. Step 5: Solve for x
    x = 789,984,112.69/34,137.05
  6. Step 6: Final answer
    x = 23,141.55

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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.