Home / 33,678.44-46,456.96-21,081.32

Finding the Fourth Proportional to 33,678.44, 46,456.96 and 21,081.32

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Solution

The fourth proportional to 33,678.44, 46,456.96 and 21,081.32 is: 29,080.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,678.44 : 46,456.96 = 21,081.32 : x
  2. Step 2: Convert to fraction form
    33,678.44/46,456.96 = 21,081.32/x
  3. Step 3: Cross multiply
    33,678.44x = 46,456.96 × 21,081.32
  4. Step 4: Simplify right side
    33,678.44x = 979,374,039.99
  5. Step 5: Solve for x
    x = 979,374,039.99/33,678.44
  6. Step 6: Final answer
    x = 29,080.15

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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.