Home / 29,091.95-43,628.39-11,321.36

Finding the Fourth Proportional to 29,091.95, 43,628.39 and 11,321.36

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Solution

The fourth proportional to 29,091.95, 43,628.39 and 11,321.36 is: 16,978.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,091.95 : 43,628.39 = 11,321.36 : x
  2. Step 2: Convert to fraction form
    29,091.95/43,628.39 = 11,321.36/x
  3. Step 3: Cross multiply
    29,091.95x = 43,628.39 × 11,321.36
  4. Step 4: Simplify right side
    29,091.95x = 493,932,640.72
  5. Step 5: Solve for x
    x = 493,932,640.72/29,091.95
  6. Step 6: Final answer
    x = 16,978.33

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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.