Home / 43,634.51-65,451.77-12,469.76

Finding the Fourth Proportional to 43,634.51, 65,451.77 and 12,469.76

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Solution

The fourth proportional to 43,634.51, 65,451.77 and 12,469.76 is: 18,704.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,634.51 : 65,451.77 = 12,469.76 : x
  2. Step 2: Convert to fraction form
    43,634.51/65,451.77 = 12,469.76/x
  3. Step 3: Cross multiply
    43,634.51x = 65,451.77 × 12,469.76
  4. Step 4: Simplify right side
    43,634.51x = 816,167,863.48
  5. Step 5: Solve for x
    x = 816,167,863.48/43,634.51
  6. Step 6: Final answer
    x = 18,704.64

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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.