Home / 33,671.80-46,496.46-21,118.20

Finding the Fourth Proportional to 33,671.80, 46,496.46 and 21,118.20

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Solution

The fourth proportional to 33,671.80, 46,496.46 and 21,118.20 is: 29,161.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,671.80 : 46,496.46 = 21,118.20 : x
  2. Step 2: Convert to fraction form
    33,671.80/46,496.46 = 21,118.20/x
  3. Step 3: Cross multiply
    33,671.80x = 46,496.46 × 21,118.20
  4. Step 4: Simplify right side
    33,671.80x = 981,921,541.57
  5. Step 5: Solve for x
    x = 981,921,541.57/33,671.80
  6. Step 6: Final answer
    x = 29,161.54

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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.