Home / 33,967.10-50,930.40-20,828.90

Finding the Fourth Proportional to 33,967.10, 50,930.40 and 20,828.90

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Solution

The fourth proportional to 33,967.10, 50,930.40 and 20,828.90 is: 31,230.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,967.10 : 50,930.40 = 20,828.90 : x
  2. Step 2: Convert to fraction form
    33,967.10/50,930.40 = 20,828.90/x
  3. Step 3: Cross multiply
    33,967.10x = 50,930.40 × 20,828.90
  4. Step 4: Simplify right side
    33,967.10x = 1,060,824,208.56
  5. Step 5: Solve for x
    x = 1,060,824,208.56/33,967.10
  6. Step 6: Final answer
    x = 31,230.93

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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.