Home / 33,633.24-46,418.34-21,731.20

Finding the Fourth Proportional to 33,633.24, 46,418.34 and 21,731.20

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Solution

The fourth proportional to 33,633.24, 46,418.34 and 21,731.20 is: 29,991.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,633.24 : 46,418.34 = 21,731.20 : x
  2. Step 2: Convert to fraction form
    33,633.24/46,418.34 = 21,731.20/x
  3. Step 3: Cross multiply
    33,633.24x = 46,418.34 × 21,731.20
  4. Step 4: Simplify right side
    33,633.24x = 1,008,726,230.21
  5. Step 5: Solve for x
    x = 1,008,726,230.21/33,633.24
  6. Step 6: Final answer
    x = 29,991.94

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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.