Home / 45,692.82-68,816.70-40,218.30

Finding the Fourth Proportional to 45,692.82, 68,816.70 and 40,218.30

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Solution

The fourth proportional to 45,692.82, 68,816.70 and 40,218.30 is: 60,571.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,692.82 : 68,816.70 = 40,218.30 : x
  2. Step 2: Convert to fraction form
    45,692.82/68,816.70 = 40,218.30/x
  3. Step 3: Cross multiply
    45,692.82x = 68,816.70 × 40,218.30
  4. Step 4: Simplify right side
    45,692.82x = 2,767,690,685.61
  5. Step 5: Solve for x
    x = 2,767,690,685.61/45,692.82
  6. Step 6: Final answer
    x = 60,571.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.