Home / 43,951.20-65,919.50-15,865.86

Finding the Fourth Proportional to 43,951.20, 65,919.50 and 15,865.86

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Solution

The fourth proportional to 43,951.20, 65,919.50 and 15,865.86 is: 23,796.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,951.20 : 65,919.50 = 15,865.86 : x
  2. Step 2: Convert to fraction form
    43,951.20/65,919.50 = 15,865.86/x
  3. Step 3: Cross multiply
    43,951.20x = 65,919.50 × 15,865.86
  4. Step 4: Simplify right side
    43,951.20x = 1,045,869,558.27
  5. Step 5: Solve for x
    x = 1,045,869,558.27/43,951.20
  6. Step 6: Final answer
    x = 23,796.15

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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.