Home / 33,771.80-50,626.74-12,979.64

Finding the Fourth Proportional to 33,771.80, 50,626.74 and 12,979.64

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Solution

The fourth proportional to 33,771.80, 50,626.74 and 12,979.64 is: 19,457.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,771.80 : 50,626.74 = 12,979.64 : x
  2. Step 2: Convert to fraction form
    33,771.80/50,626.74 = 12,979.64/x
  3. Step 3: Cross multiply
    33,771.80x = 50,626.74 × 12,979.64
  4. Step 4: Simplify right side
    33,771.80x = 657,116,859.57
  5. Step 5: Solve for x
    x = 657,116,859.57/33,771.80
  6. Step 6: Final answer
    x = 19,457.56

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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.