Home / 66,664.67-99,989.91-22,286.39

Finding the Fourth Proportional to 66,664.67, 99,989.91 and 22,286.39

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Solution

The fourth proportional to 66,664.67, 99,989.91 and 22,286.39 is: 33,427.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,664.67 : 99,989.91 = 22,286.39 : x
  2. Step 2: Convert to fraction form
    66,664.67/99,989.91 = 22,286.39/x
  3. Step 3: Cross multiply
    66,664.67x = 99,989.91 × 22,286.39
  4. Step 4: Simplify right side
    66,664.67x = 2,228,413,630.38
  5. Step 5: Solve for x
    x = 2,228,413,630.38/66,664.67
  6. Step 6: Final answer
    x = 33,427.21

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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.