Home / 33,235.90-45,854.04-21,305.82

Finding the Fourth Proportional to 33,235.90, 45,854.04 and 21,305.82

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Solution

The fourth proportional to 33,235.90, 45,854.04 and 21,305.82 is: 29,394.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,235.90 : 45,854.04 = 21,305.82 : x
  2. Step 2: Convert to fraction form
    33,235.90/45,854.04 = 21,305.82/x
  3. Step 3: Cross multiply
    33,235.90x = 45,854.04 × 21,305.82
  4. Step 4: Simplify right side
    33,235.90x = 976,957,922.51
  5. Step 5: Solve for x
    x = 976,957,922.51/33,235.90
  6. Step 6: Final answer
    x = 29,394.66

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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.