Home / 40,380.87-60,578.22-13,724.04

Finding the Fourth Proportional to 40,380.87, 60,578.22 and 13,724.04

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Solution

The fourth proportional to 40,380.87, 60,578.22 and 13,724.04 is: 20,588.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,380.87 : 60,578.22 = 13,724.04 : x
  2. Step 2: Convert to fraction form
    40,380.87/60,578.22 = 13,724.04/x
  3. Step 3: Cross multiply
    40,380.87x = 60,578.22 × 13,724.04
  4. Step 4: Simplify right side
    40,380.87x = 831,377,914.41
  5. Step 5: Solve for x
    x = 831,377,914.41/40,380.87
  6. Step 6: Final answer
    x = 20,588.41

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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.