Home / 66,906.47-100,359.89-22,564.37

Finding the Fourth Proportional to 66,906.47, 100,359.89 and 22,564.37

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Solution

The fourth proportional to 66,906.47, 100,359.89 and 22,564.37 is: 33,846.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,906.47 : 100,359.89 = 22,564.37 : x
  2. Step 2: Convert to fraction form
    66,906.47/100,359.89 = 22,564.37/x
  3. Step 3: Cross multiply
    66,906.47x = 100,359.89 × 22,564.37
  4. Step 4: Simplify right side
    66,906.47x = 2,264,557,954.65
  5. Step 5: Solve for x
    x = 2,264,557,954.65/66,906.47
  6. Step 6: Final answer
    x = 33,846.62

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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.