Home / 43,183.34-64,747.18-18,216.71

Finding the Fourth Proportional to 43,183.34, 64,747.18 and 18,216.71

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Solution

The fourth proportional to 43,183.34, 64,747.18 and 18,216.71 is: 27,313.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,183.34 : 64,747.18 = 18,216.71 : x
  2. Step 2: Convert to fraction form
    43,183.34/64,747.18 = 18,216.71/x
  3. Step 3: Cross multiply
    43,183.34x = 64,747.18 × 18,216.71
  4. Step 4: Simplify right side
    43,183.34x = 1,179,480,186.56
  5. Step 5: Solve for x
    x = 1,179,480,186.56/43,183.34
  6. Step 6: Final answer
    x = 27,313.32

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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.