Home / 33,945.70-46,863.62-20,520.36

Finding the Fourth Proportional to 33,945.70, 46,863.62 and 20,520.36

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Solution

The fourth proportional to 33,945.70, 46,863.62 and 20,520.36 is: 28,329.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,945.70 : 46,863.62 = 20,520.36 : x
  2. Step 2: Convert to fraction form
    33,945.70/46,863.62 = 20,520.36/x
  3. Step 3: Cross multiply
    33,945.70x = 46,863.62 × 20,520.36
  4. Step 4: Simplify right side
    33,945.70x = 961,658,353.30
  5. Step 5: Solve for x
    x = 961,658,353.30/33,945.70
  6. Step 6: Final answer
    x = 28,329.31

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1.5x scale

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.