Home / 30,286.17-41,786.54-18,183.57

Finding the Fourth Proportional to 30,286.17, 41,786.54 and 18,183.57

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Solution

The fourth proportional to 30,286.17, 41,786.54 and 18,183.57 is: 25,088.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,286.17 : 41,786.54 = 18,183.57 : x
  2. Step 2: Convert to fraction form
    30,286.17/41,786.54 = 18,183.57/x
  3. Step 3: Cross multiply
    30,286.17x = 41,786.54 × 18,183.57
  4. Step 4: Simplify right side
    30,286.17x = 759,828,384.23
  5. Step 5: Solve for x
    x = 759,828,384.23/30,286.17
  6. Step 6: Final answer
    x = 25,088.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.