Home / 33,015.92-45,557.12-18,866

Finding the Fourth Proportional to 33,015.92, 45,557.12 and 18,866

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Solution

The fourth proportional to 33,015.92, 45,557.12 and 18,866 is: 26,032.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,015.92 : 45,557.12 = 18,866 : x
  2. Step 2: Convert to fraction form
    33,015.92/45,557.12 = 18,866/x
  3. Step 3: Cross multiply
    33,015.92x = 45,557.12 × 18,866
  4. Step 4: Simplify right side
    33,015.92x = 859,480,625.92
  5. Step 5: Solve for x
    x = 859,480,625.92/33,015.92
  6. Step 6: Final answer
    x = 26,032.31

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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.