Home / 33,721.67-46,551.65-19,571.78

Finding the Fourth Proportional to 33,721.67, 46,551.65 and 19,571.78

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Solution

The fourth proportional to 33,721.67, 46,551.65 and 19,571.78 is: 27,018.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,721.67 : 46,551.65 = 19,571.78 : x
  2. Step 2: Convert to fraction form
    33,721.67/46,551.65 = 19,571.78/x
  3. Step 3: Cross multiply
    33,721.67x = 46,551.65 × 19,571.78
  4. Step 4: Simplify right side
    33,721.67x = 911,098,321.82
  5. Step 5: Solve for x
    x = 911,098,321.82/33,721.67
  6. Step 6: Final answer
    x = 27,018.19

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1.5x scale

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.