Home / 43,028.92-64,542.42-11,864.44

Finding the Fourth Proportional to 43,028.92, 64,542.42 and 11,864.44

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Solution

The fourth proportional to 43,028.92, 64,542.42 and 11,864.44 is: 17,796.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,028.92 : 64,542.42 = 11,864.44 : x
  2. Step 2: Convert to fraction form
    43,028.92/64,542.42 = 11,864.44/x
  3. Step 3: Cross multiply
    43,028.92x = 64,542.42 × 11,864.44
  4. Step 4: Simplify right side
    43,028.92x = 765,759,669.54
  5. Step 5: Solve for x
    x = 765,759,669.54/43,028.92
  6. Step 6: Final answer
    x = 17,796.40

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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.