Home / 33,860.74-46,732.99-21,116

Finding the Fourth Proportional to 33,860.74, 46,732.99 and 21,116

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Solution

The fourth proportional to 33,860.74, 46,732.99 and 21,116 is: 29,143.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,860.74 : 46,732.99 = 21,116 : x
  2. Step 2: Convert to fraction form
    33,860.74/46,732.99 = 21,116/x
  3. Step 3: Cross multiply
    33,860.74x = 46,732.99 × 21,116
  4. Step 4: Simplify right side
    33,860.74x = 986,813,816.84
  5. Step 5: Solve for x
    x = 986,813,816.84/33,860.74
  6. Step 6: Final answer
    x = 29,143.30

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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.