Home / 33,977.88-50,963.18-20,807.28

Finding the Fourth Proportional to 33,977.88, 50,963.18 and 20,807.28

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Solution

The fourth proportional to 33,977.88, 50,963.18 and 20,807.28 is: 31,208.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,977.88 : 50,963.18 = 20,807.28 : x
  2. Step 2: Convert to fraction form
    33,977.88/50,963.18 = 20,807.28/x
  3. Step 3: Cross multiply
    33,977.88x = 50,963.18 × 20,807.28
  4. Step 4: Simplify right side
    33,977.88x = 1,060,405,051.91
  5. Step 5: Solve for x
    x = 1,060,405,051.91/33,977.88
  6. Step 6: Final answer
    x = 31,208.69

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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.