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Finding the Fourth Proportional to 33,361.98, 50,065.74 and 17,790.54

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Solution

The fourth proportional to 33,361.98, 50,065.74 and 17,790.54 is: 26,697.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,361.98 : 50,065.74 = 17,790.54 : x
  2. Step 2: Convert to fraction form
    33,361.98/50,065.74 = 17,790.54/x
  3. Step 3: Cross multiply
    33,361.98x = 50,065.74 × 17,790.54
  4. Step 4: Simplify right side
    33,361.98x = 890,696,550.10
  5. Step 5: Solve for x
    x = 890,696,550.10/33,361.98
  6. Step 6: Final answer
    x = 26,697.95

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1.5x scale

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.