Home / 36,222.80-54,361.20-18,683.60

Finding the Fourth Proportional to 36,222.80, 54,361.20 and 18,683.60

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Solution

The fourth proportional to 36,222.80, 54,361.20 and 18,683.60 is: 28,039.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,222.80 : 54,361.20 = 18,683.60 : x
  2. Step 2: Convert to fraction form
    36,222.80/54,361.20 = 18,683.60/x
  3. Step 3: Cross multiply
    36,222.80x = 54,361.20 × 18,683.60
  4. Step 4: Simplify right side
    36,222.80x = 1,015,662,916.32
  5. Step 5: Solve for x
    x = 1,015,662,916.32/36,222.80
  6. Step 6: Final answer
    x = 28,039.33

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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.