Home / 38,180.90-52,692.54-21,188.37

Finding the Fourth Proportional to 38,180.90, 52,692.54 and 21,188.37

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Solution

The fourth proportional to 38,180.90, 52,692.54 and 21,188.37 is: 29,241.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.90 : 52,692.54 = 21,188.37 : x
  2. Step 2: Convert to fraction form
    38,180.90/52,692.54 = 21,188.37/x
  3. Step 3: Cross multiply
    38,180.90x = 52,692.54 × 21,188.37
  4. Step 4: Simplify right side
    38,180.90x = 1,116,468,974.69
  5. Step 5: Solve for x
    x = 1,116,468,974.69/38,180.90
  6. Step 6: Final answer
    x = 29,241.56

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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.