Home / 43,924.38-65,879.40-12,336.57

Finding the Fourth Proportional to 43,924.38, 65,879.40 and 12,336.57

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Solution

The fourth proportional to 43,924.38, 65,879.40 and 12,336.57 is: 18,502.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,924.38 : 65,879.40 = 12,336.57 : x
  2. Step 2: Convert to fraction form
    43,924.38/65,879.40 = 12,336.57/x
  3. Step 3: Cross multiply
    43,924.38x = 65,879.40 × 12,336.57
  4. Step 4: Simplify right side
    43,924.38x = 812,725,829.66
  5. Step 5: Solve for x
    x = 812,725,829.66/43,924.38
  6. Step 6: Final answer
    x = 18,502.84

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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.