Home / 33,872.24-46,745.36-20,443.28

Finding the Fourth Proportional to 33,872.24, 46,745.36 and 20,443.28

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Solution

The fourth proportional to 33,872.24, 46,745.36 and 20,443.28 is: 28,212.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,872.24 : 46,745.36 = 20,443.28 : x
  2. Step 2: Convert to fraction form
    33,872.24/46,745.36 = 20,443.28/x
  3. Step 3: Cross multiply
    33,872.24x = 46,745.36 × 20,443.28
  4. Step 4: Simplify right side
    33,872.24x = 955,628,483.18
  5. Step 5: Solve for x
    x = 955,628,483.18/33,872.24
  6. Step 6: Final answer
    x = 28,212.73

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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.