Home / 33,692.61-50,455.86-21,181.60

Finding the Fourth Proportional to 33,692.61, 50,455.86 and 21,181.60

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Solution

The fourth proportional to 33,692.61, 50,455.86 and 21,181.60 is: 31,720.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,692.61 : 50,455.86 = 21,181.60 : x
  2. Step 2: Convert to fraction form
    33,692.61/50,455.86 = 21,181.60/x
  3. Step 3: Cross multiply
    33,692.61x = 50,455.86 × 21,181.60
  4. Step 4: Simplify right side
    33,692.61x = 1,068,735,844.18
  5. Step 5: Solve for x
    x = 1,068,735,844.18/33,692.61
  6. Step 6: Final answer
    x = 31,720.19

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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.