Home / 45,123.82-67,692.30-13,961.50

Finding the Fourth Proportional to 45,123.82, 67,692.30 and 13,961.50

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Solution

The fourth proportional to 45,123.82, 67,692.30 and 13,961.50 is: 20,944.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,123.82 : 67,692.30 = 13,961.50 : x
  2. Step 2: Convert to fraction form
    45,123.82/67,692.30 = 13,961.50/x
  3. Step 3: Cross multiply
    45,123.82x = 67,692.30 × 13,961.50
  4. Step 4: Simplify right side
    45,123.82x = 945,086,046.45
  5. Step 5: Solve for x
    x = 945,086,046.45/45,123.82
  6. Step 6: Final answer
    x = 20,944.28

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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.