Home / 51,067.88-76,609.01-13,629.18

Finding the Fourth Proportional to 51,067.88, 76,609.01 and 13,629.18

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Solution

The fourth proportional to 51,067.88, 76,609.01 and 13,629.18 is: 20,445.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,067.88 : 76,609.01 = 13,629.18 : x
  2. Step 2: Convert to fraction form
    51,067.88/76,609.01 = 13,629.18/x
  3. Step 3: Cross multiply
    51,067.88x = 76,609.01 × 13,629.18
  4. Step 4: Simplify right side
    51,067.88x = 1,044,117,918.77
  5. Step 5: Solve for x
    x = 1,044,117,918.77/51,067.88
  6. Step 6: Final answer
    x = 20,445.69

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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.