Home / 33,789.36-46,633.32-20,367.39

Finding the Fourth Proportional to 33,789.36, 46,633.32 and 20,367.39

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Solution

The fourth proportional to 33,789.36, 46,633.32 and 20,367.39 is: 28,109.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,789.36 : 46,633.32 = 20,367.39 : x
  2. Step 2: Convert to fraction form
    33,789.36/46,633.32 = 20,367.39/x
  3. Step 3: Cross multiply
    33,789.36x = 46,633.32 × 20,367.39
  4. Step 4: Simplify right side
    33,789.36x = 949,799,015.43
  5. Step 5: Solve for x
    x = 949,799,015.43/33,789.36
  6. Step 6: Final answer
    x = 28,109.41

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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.