Home / 43,723.52-65,585.34-18,747.44

Finding the Fourth Proportional to 43,723.52, 65,585.34 and 18,747.44

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Solution

The fourth proportional to 43,723.52, 65,585.34 and 18,747.44 is: 28,121.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.52 : 65,585.34 = 18,747.44 : x
  2. Step 2: Convert to fraction form
    43,723.52/65,585.34 = 18,747.44/x
  3. Step 3: Cross multiply
    43,723.52x = 65,585.34 × 18,747.44
  4. Step 4: Simplify right side
    43,723.52x = 1,229,557,226.53
  5. Step 5: Solve for x
    x = 1,229,557,226.53/43,723.52
  6. Step 6: Final answer
    x = 28,121.19

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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.