Home / 33,789.92-46,629.36-18,682

Finding the Fourth Proportional to 33,789.92, 46,629.36 and 18,682

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Solution

The fourth proportional to 33,789.92, 46,629.36 and 18,682 is: 25,780.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.92 : 46,629.36 = 18,682 : x
  2. Step 2: Convert to fraction form
    33,789.92/46,629.36 = 18,682/x
  3. Step 3: Cross multiply
    33,789.92x = 46,629.36 × 18,682
  4. Step 4: Simplify right side
    33,789.92x = 871,129,703.52
  5. Step 5: Solve for x
    x = 871,129,703.52/33,789.92
  6. Step 6: Final answer
    x = 25,780.76

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.