Home / 43,723.68-65,585.52-12,558.96

Finding the Fourth Proportional to 43,723.68, 65,585.52 and 12,558.96

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Solution

The fourth proportional to 43,723.68, 65,585.52 and 12,558.96 is: 18,838.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,723.68 : 65,585.52 = 12,558.96 : x
  2. Step 2: Convert to fraction form
    43,723.68/65,585.52 = 12,558.96/x
  3. Step 3: Cross multiply
    43,723.68x = 65,585.52 × 12,558.96
  4. Step 4: Simplify right side
    43,723.68x = 823,685,922.26
  5. Step 5: Solve for x
    x = 823,685,922.26/43,723.68
  6. Step 6: Final answer
    x = 18,838.44

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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.