Home / 33,631.21-50,420.65-21,759.90

Finding the Fourth Proportional to 33,631.21, 50,420.65 and 21,759.90

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Solution

The fourth proportional to 33,631.21, 50,420.65 and 21,759.90 is: 32,622.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,631.21 : 50,420.65 = 21,759.90 : x
  2. Step 2: Convert to fraction form
    33,631.21/50,420.65 = 21,759.90/x
  3. Step 3: Cross multiply
    33,631.21x = 50,420.65 × 21,759.90
  4. Step 4: Simplify right side
    33,631.21x = 1,097,148,247.54
  5. Step 5: Solve for x
    x = 1,097,148,247.54/33,631.21
  6. Step 6: Final answer
    x = 32,622.92

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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.