Home / 33,399.06-46,098.28-20,821.38

Finding the Fourth Proportional to 33,399.06, 46,098.28 and 20,821.38

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Solution

The fourth proportional to 33,399.06, 46,098.28 and 20,821.38 is: 28,738.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,399.06 : 46,098.28 = 20,821.38 : x
  2. Step 2: Convert to fraction form
    33,399.06/46,098.28 = 20,821.38/x
  3. Step 3: Cross multiply
    33,399.06x = 46,098.28 × 20,821.38
  4. Step 4: Simplify right side
    33,399.06x = 959,829,805.23
  5. Step 5: Solve for x
    x = 959,829,805.23/33,399.06
  6. Step 6: Final answer
    x = 28,738.23

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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.