Home / 33,669.80-46,493.70-21,116.20

Finding the Fourth Proportional to 33,669.80, 46,493.70 and 21,116.20

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Solution

The fourth proportional to 33,669.80, 46,493.70 and 21,116.20 is: 29,158.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,669.80 : 46,493.70 = 21,116.20 : x
  2. Step 2: Convert to fraction form
    33,669.80/46,493.70 = 21,116.20/x
  3. Step 3: Cross multiply
    33,669.80x = 46,493.70 × 21,116.20
  4. Step 4: Simplify right side
    33,669.80x = 981,770,267.94
  5. Step 5: Solve for x
    x = 981,770,267.94/33,669.80
  6. Step 6: Final answer
    x = 29,158.78

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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.