Home / 33,890.16-46,752.60-21,321.84

Finding the Fourth Proportional to 33,890.16, 46,752.60 and 21,321.84

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Solution

The fourth proportional to 33,890.16, 46,752.60 and 21,321.84 is: 29,414.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,890.16 : 46,752.60 = 21,321.84 : x
  2. Step 2: Convert to fraction form
    33,890.16/46,752.60 = 21,321.84/x
  3. Step 3: Cross multiply
    33,890.16x = 46,752.60 × 21,321.84
  4. Step 4: Simplify right side
    33,890.16x = 996,851,456.78
  5. Step 5: Solve for x
    x = 996,851,456.78/33,890.16
  6. Step 6: Final answer
    x = 29,414.19

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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.