Home / 43,613.44-65,431.43-18,299.36

Finding the Fourth Proportional to 43,613.44, 65,431.43 and 18,299.36

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Solution

The fourth proportional to 43,613.44, 65,431.43 and 18,299.36 is: 27,453.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,613.44 : 65,431.43 = 18,299.36 : x
  2. Step 2: Convert to fraction form
    43,613.44/65,431.43 = 18,299.36/x
  3. Step 3: Cross multiply
    43,613.44x = 65,431.43 × 18,299.36
  4. Step 4: Simplify right side
    43,613.44x = 1,197,353,502.21
  5. Step 5: Solve for x
    x = 1,197,353,502.21/43,613.44
  6. Step 6: Final answer
    x = 27,453.78

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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.