Home / 33,788.61-46,634.67-20,361.78

Finding the Fourth Proportional to 33,788.61, 46,634.67 and 20,361.78

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Solution

The fourth proportional to 33,788.61, 46,634.67 and 20,361.78 is: 28,103.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,788.61 : 46,634.67 = 20,361.78 : x
  2. Step 2: Convert to fraction form
    33,788.61/46,634.67 = 20,361.78/x
  3. Step 3: Cross multiply
    33,788.61x = 46,634.67 × 20,361.78
  4. Step 4: Simplify right side
    33,788.61x = 949,564,890.91
  5. Step 5: Solve for x
    x = 949,564,890.91/33,788.61
  6. Step 6: Final answer
    x = 28,103.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.