Home / 33,920.78-46,833.84-21,193.34

Finding the Fourth Proportional to 33,920.78, 46,833.84 and 21,193.34

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Solution

The fourth proportional to 33,920.78, 46,833.84 and 21,193.34 is: 29,261.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,920.78 : 46,833.84 = 21,193.34 : x
  2. Step 2: Convert to fraction form
    33,920.78/46,833.84 = 21,193.34/x
  3. Step 3: Cross multiply
    33,920.78x = 46,833.84 × 21,193.34
  4. Step 4: Simplify right side
    33,920.78x = 992,565,260.46
  5. Step 5: Solve for x
    x = 992,565,260.46/33,920.78
  6. Step 6: Final answer
    x = 29,261.28

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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.