Home / 40,824.11-61,183.19-18,318.17

Finding the Fourth Proportional to 40,824.11, 61,183.19 and 18,318.17

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Solution

The fourth proportional to 40,824.11, 61,183.19 and 18,318.17 is: 27,453.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,824.11 : 61,183.19 = 18,318.17 : x
  2. Step 2: Convert to fraction form
    40,824.11/61,183.19 = 18,318.17/x
  3. Step 3: Cross multiply
    40,824.11x = 61,183.19 × 18,318.17
  4. Step 4: Simplify right side
    40,824.11x = 1,120,763,678.06
  5. Step 5: Solve for x
    x = 1,120,763,678.06/40,824.11
  6. Step 6: Final answer
    x = 27,453.48

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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.