Home / 22,172.90-33,163.35-19,849.70

Finding the Fourth Proportional to 22,172.90, 33,163.35 and 19,849.70

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Solution

The fourth proportional to 22,172.90, 33,163.35 and 19,849.70 is: 29,688.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,172.90 : 33,163.35 = 19,849.70 : x
  2. Step 2: Convert to fraction form
    22,172.90/33,163.35 = 19,849.70/x
  3. Step 3: Cross multiply
    22,172.90x = 33,163.35 × 19,849.70
  4. Step 4: Simplify right side
    22,172.90x = 658,282,548.50
  5. Step 5: Solve for x
    x = 658,282,548.50/22,172.90
  6. Step 6: Final answer
    x = 29,688.61

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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.