Home / 33,959.86-50,865.99-20,772.34

Finding the Fourth Proportional to 33,959.86, 50,865.99 and 20,772.34

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Solution

The fourth proportional to 33,959.86, 50,865.99 and 20,772.34 is: 31,113.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,959.86 : 50,865.99 = 20,772.34 : x
  2. Step 2: Convert to fraction form
    33,959.86/50,865.99 = 20,772.34/x
  3. Step 3: Cross multiply
    33,959.86x = 50,865.99 × 20,772.34
  4. Step 4: Simplify right side
    33,959.86x = 1,056,605,638.72
  5. Step 5: Solve for x
    x = 1,056,605,638.72/33,959.86
  6. Step 6: Final answer
    x = 31,113.37

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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.