Home / 39,597.70-54,644.89-21,692.31

Finding the Fourth Proportional to 39,597.70, 54,644.89 and 21,692.31

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Solution

The fourth proportional to 39,597.70, 54,644.89 and 21,692.31 is: 29,935.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,597.70 : 54,644.89 = 21,692.31 : x
  2. Step 2: Convert to fraction form
    39,597.70/54,644.89 = 21,692.31/x
  3. Step 3: Cross multiply
    39,597.70x = 54,644.89 × 21,692.31
  4. Step 4: Simplify right side
    39,597.70x = 1,185,373,893.80
  5. Step 5: Solve for x
    x = 1,185,373,893.80/39,597.70
  6. Step 6: Final answer
    x = 29,935.42

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1.5x scale

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.