Home / 52,183.26-78,286.23-17,121.60

Finding the Fourth Proportional to 52,183.26, 78,286.23 and 17,121.60

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Solution

The fourth proportional to 52,183.26, 78,286.23 and 17,121.60 is: 25,686.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,183.26 : 78,286.23 = 17,121.60 : x
  2. Step 2: Convert to fraction form
    52,183.26/78,286.23 = 17,121.60/x
  3. Step 3: Cross multiply
    52,183.26x = 78,286.23 × 17,121.60
  4. Step 4: Simplify right side
    52,183.26x = 1,340,385,515.57
  5. Step 5: Solve for x
    x = 1,340,385,515.57/52,183.26
  6. Step 6: Final answer
    x = 25,686.12

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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.