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Finding the Fourth Proportional to 69,692.94, 104,539.32 and 19,773.09

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Solution

The fourth proportional to 69,692.94, 104,539.32 and 19,773.09 is: 29,659.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,692.94 : 104,539.32 = 19,773.09 : x
  2. Step 2: Convert to fraction form
    69,692.94/104,539.32 = 19,773.09/x
  3. Step 3: Cross multiply
    69,692.94x = 104,539.32 × 19,773.09
  4. Step 4: Simplify right side
    69,692.94x = 2,067,065,382.90
  5. Step 5: Solve for x
    x = 2,067,065,382.90/69,692.94
  6. Step 6: Final answer
    x = 29,659.61

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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.