Home / 31,183.24-43,068.75-22,723.20

Finding the Fourth Proportional to 31,183.24, 43,068.75 and 22,723.20

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Solution

The fourth proportional to 31,183.24, 43,068.75 and 22,723.20 is: 31,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,183.24 : 43,068.75 = 22,723.20 : x
  2. Step 2: Convert to fraction form
    31,183.24/43,068.75 = 22,723.20/x
  3. Step 3: Cross multiply
    31,183.24x = 43,068.75 × 22,723.20
  4. Step 4: Simplify right side
    31,183.24x = 978,659,820
  5. Step 5: Solve for x
    x = 978,659,820/31,183.24
  6. Step 6: Final answer
    x = 31,384.16

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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.