Home / 34,722.38-47,919.83-19,617.81

Finding the Fourth Proportional to 34,722.38, 47,919.83 and 19,617.81

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Solution

The fourth proportional to 34,722.38, 47,919.83 and 19,617.81 is: 27,074.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,722.38 : 47,919.83 = 19,617.81 : x
  2. Step 2: Convert to fraction form
    34,722.38/47,919.83 = 19,617.81/x
  3. Step 3: Cross multiply
    34,722.38x = 47,919.83 × 19,617.81
  4. Step 4: Simplify right side
    34,722.38x = 940,082,022.08
  5. Step 5: Solve for x
    x = 940,082,022.08/34,722.38
  6. Step 6: Final answer
    x = 27,074.24

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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.