Home / 38,692.13-57,960.44-20,185.25

Finding the Fourth Proportional to 38,692.13, 57,960.44 and 20,185.25

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Solution

The fourth proportional to 38,692.13, 57,960.44 and 20,185.25 is: 30,237.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,692.13 : 57,960.44 = 20,185.25 : x
  2. Step 2: Convert to fraction form
    38,692.13/57,960.44 = 20,185.25/x
  3. Step 3: Cross multiply
    38,692.13x = 57,960.44 × 20,185.25
  4. Step 4: Simplify right side
    38,692.13x = 1,169,945,870.58
  5. Step 5: Solve for x
    x = 1,169,945,870.58/38,692.13
  6. Step 6: Final answer
    x = 30,237.31

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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.