Home / 43,861.57-65,799.26-18,908.71

Finding the Fourth Proportional to 43,861.57, 65,799.26 and 18,908.71

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Solution

The fourth proportional to 43,861.57, 65,799.26 and 18,908.71 is: 28,366.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,861.57 : 65,799.26 = 18,908.71 : x
  2. Step 2: Convert to fraction form
    43,861.57/65,799.26 = 18,908.71/x
  3. Step 3: Cross multiply
    43,861.57x = 65,799.26 × 18,908.71
  4. Step 4: Simplify right side
    43,861.57x = 1,244,179,125.55
  5. Step 5: Solve for x
    x = 1,244,179,125.55/43,861.57
  6. Step 6: Final answer
    x = 28,366.04

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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.