Home / 39,912.53-59,813.19-20,168.04

Finding the Fourth Proportional to 39,912.53, 59,813.19 and 20,168.04

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Solution

The fourth proportional to 39,912.53, 59,813.19 and 20,168.04 is: 30,223.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,912.53 : 59,813.19 = 20,168.04 : x
  2. Step 2: Convert to fraction form
    39,912.53/59,813.19 = 20,168.04/x
  3. Step 3: Cross multiply
    39,912.53x = 59,813.19 × 20,168.04
  4. Step 4: Simplify right side
    39,912.53x = 1,206,314,584.15
  5. Step 5: Solve for x
    x = 1,206,314,584.15/39,912.53
  6. Step 6: Final answer
    x = 30,223.96

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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.