Home / 52,183.28-78,286.25-17,121.62

Finding the Fourth Proportional to 52,183.28, 78,286.25 and 17,121.62

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Solution

The fourth proportional to 52,183.28, 78,286.25 and 17,121.62 is: 25,686.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,183.28 : 78,286.25 = 17,121.62 : x
  2. Step 2: Convert to fraction form
    52,183.28/78,286.25 = 17,121.62/x
  3. Step 3: Cross multiply
    52,183.28x = 78,286.25 × 17,121.62
  4. Step 4: Simplify right side
    52,183.28x = 1,340,386,946.69
  5. Step 5: Solve for x
    x = 1,340,386,946.69/52,183.28
  6. Step 6: Final answer
    x = 25,686.14

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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.