Home / 43,823.92-65,739.48-12,659.44

Finding the Fourth Proportional to 43,823.92, 65,739.48 and 12,659.44

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Solution

The fourth proportional to 43,823.92, 65,739.48 and 12,659.44 is: 18,990.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,823.92 : 65,739.48 = 12,659.44 : x
  2. Step 2: Convert to fraction form
    43,823.92/65,739.48 = 12,659.44/x
  3. Step 3: Cross multiply
    43,823.92x = 65,739.48 × 12,659.44
  4. Step 4: Simplify right side
    43,823.92x = 832,225,002.69
  5. Step 5: Solve for x
    x = 832,225,002.69/43,823.92
  6. Step 6: Final answer
    x = 18,990.20

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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.