Home / 39,174.26-58,768.68-12,880.04

Finding the Fourth Proportional to 39,174.26, 58,768.68 and 12,880.04

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Solution

The fourth proportional to 39,174.26, 58,768.68 and 12,880.04 is: 19,322.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,174.26 : 58,768.68 = 12,880.04 : x
  2. Step 2: Convert to fraction form
    39,174.26/58,768.68 = 12,880.04/x
  3. Step 3: Cross multiply
    39,174.26x = 58,768.68 × 12,880.04
  4. Step 4: Simplify right side
    39,174.26x = 756,942,949.15
  5. Step 5: Solve for x
    x = 756,942,949.15/39,174.26
  6. Step 6: Final answer
    x = 19,322.46

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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.