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Finding the Fourth Proportional to 81,794.83, 122,692.07 and 22,630.32

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Solution

The fourth proportional to 81,794.83, 122,692.07 and 22,630.32 is: 33,945.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,794.83 : 122,692.07 = 22,630.32 : x
  2. Step 2: Convert to fraction form
    81,794.83/122,692.07 = 22,630.32/x
  3. Step 3: Cross multiply
    81,794.83x = 122,692.07 × 22,630.32
  4. Step 4: Simplify right side
    81,794.83x = 2,776,561,252.45
  5. Step 5: Solve for x
    x = 2,776,561,252.45/81,794.83
  6. Step 6: Final answer
    x = 33,945.44

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1.5x scale

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.