Home / 33,852.74-46,721.94-21,108

Finding the Fourth Proportional to 33,852.74, 46,721.94 and 21,108

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Solution

The fourth proportional to 33,852.74, 46,721.94 and 21,108 is: 29,132.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,852.74 : 46,721.94 = 21,108 : x
  2. Step 2: Convert to fraction form
    33,852.74/46,721.94 = 21,108/x
  3. Step 3: Cross multiply
    33,852.74x = 46,721.94 × 21,108
  4. Step 4: Simplify right side
    33,852.74x = 986,206,709.52
  5. Step 5: Solve for x
    x = 986,206,709.52/33,852.74
  6. Step 6: Final answer
    x = 29,132.26

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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.