Home / 34,451.61-51,629.28-18,622.53

Finding the Fourth Proportional to 34,451.61, 51,629.28 and 18,622.53

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Solution

The fourth proportional to 34,451.61, 51,629.28 and 18,622.53 is: 27,907.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,451.61 : 51,629.28 = 18,622.53 : x
  2. Step 2: Convert to fraction form
    34,451.61/51,629.28 = 18,622.53/x
  3. Step 3: Cross multiply
    34,451.61x = 51,629.28 × 18,622.53
  4. Step 4: Simplify right side
    34,451.61x = 961,467,815.68
  5. Step 5: Solve for x
    x = 961,467,815.68/34,451.61
  6. Step 6: Final answer
    x = 27,907.78

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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.