Home / 33,820.36-50,694.72-12,751.28

Finding the Fourth Proportional to 33,820.36, 50,694.72 and 12,751.28

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Solution

The fourth proportional to 33,820.36, 50,694.72 and 12,751.28 is: 19,113.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,820.36 : 50,694.72 = 12,751.28 : x
  2. Step 2: Convert to fraction form
    33,820.36/50,694.72 = 12,751.28/x
  3. Step 3: Cross multiply
    33,820.36x = 50,694.72 × 12,751.28
  4. Step 4: Simplify right side
    33,820.36x = 646,422,569.24
  5. Step 5: Solve for x
    x = 646,422,569.24/33,820.36
  6. Step 6: Final answer
    x = 19,113.41

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.