Home / 33,042.57-45,579.65-21,092.43

Finding the Fourth Proportional to 33,042.57, 45,579.65 and 21,092.43

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Solution

The fourth proportional to 33,042.57, 45,579.65 and 21,092.43 is: 29,095.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,042.57 : 45,579.65 = 21,092.43 : x
  2. Step 2: Convert to fraction form
    33,042.57/45,579.65 = 21,092.43/x
  3. Step 3: Cross multiply
    33,042.57x = 45,579.65 × 21,092.43
  4. Step 4: Simplify right side
    33,042.57x = 961,385,471.59
  5. Step 5: Solve for x
    x = 961,385,471.59/33,042.57
  6. Step 6: Final answer
    x = 29,095.36

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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.