Home / 33,081.16-45,632.82-21,752.68

Finding the Fourth Proportional to 33,081.16, 45,632.82 and 21,752.68

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Solution

The fourth proportional to 33,081.16, 45,632.82 and 21,752.68 is: 30,006.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,081.16 : 45,632.82 = 21,752.68 : x
  2. Step 2: Convert to fraction form
    33,081.16/45,632.82 = 21,752.68/x
  3. Step 3: Cross multiply
    33,081.16x = 45,632.82 × 21,752.68
  4. Step 4: Simplify right side
    33,081.16x = 992,636,130.96
  5. Step 5: Solve for x
    x = 992,636,130.96/33,081.16
  6. Step 6: Final answer
    x = 30,006.09

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.