Home / 45,844.40-68,766.60-18,142.40

Finding the Fourth Proportional to 45,844.40, 68,766.60 and 18,142.40

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Solution

The fourth proportional to 45,844.40, 68,766.60 and 18,142.40 is: 27,213.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,844.40 : 68,766.60 = 18,142.40 : x
  2. Step 2: Convert to fraction form
    45,844.40/68,766.60 = 18,142.40/x
  3. Step 3: Cross multiply
    45,844.40x = 68,766.60 × 18,142.40
  4. Step 4: Simplify right side
    45,844.40x = 1,247,591,163.84
  5. Step 5: Solve for x
    x = 1,247,591,163.84/45,844.40
  6. Step 6: Final answer
    x = 27,213.60

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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.