Home / 33,380.82-46,077.12-20,643.75

Finding the Fourth Proportional to 33,380.82, 46,077.12 and 20,643.75

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Solution

The fourth proportional to 33,380.82, 46,077.12 and 20,643.75 is: 28,495.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,380.82 : 46,077.12 = 20,643.75 : x
  2. Step 2: Convert to fraction form
    33,380.82/46,077.12 = 20,643.75/x
  3. Step 3: Cross multiply
    33,380.82x = 46,077.12 × 20,643.75
  4. Step 4: Simplify right side
    33,380.82x = 951,204,546
  5. Step 5: Solve for x
    x = 951,204,546/33,380.82
  6. Step 6: Final answer
    x = 28,495.54

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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.