Home / 39,597.25-54,644.30-21,692.60

Finding the Fourth Proportional to 39,597.25, 54,644.30 and 21,692.60

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Solution

The fourth proportional to 39,597.25, 54,644.30 and 21,692.60 is: 29,935.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.25 : 54,644.30 = 21,692.60 : x
  2. Step 2: Convert to fraction form
    39,597.25/54,644.30 = 21,692.60/x
  3. Step 3: Cross multiply
    39,597.25x = 54,644.30 × 21,692.60
  4. Step 4: Simplify right side
    39,597.25x = 1,185,377,133.02
  5. Step 5: Solve for x
    x = 1,185,377,133.02/39,597.25
  6. Step 6: Final answer
    x = 29,935.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.