Home / 51,067.62-76,572-19,866.42

Finding the Fourth Proportional to 51,067.62, 76,572 and 19,866.42

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Solution

The fourth proportional to 51,067.62, 76,572 and 19,866.42 is: 29,788.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,067.62 : 76,572 = 19,866.42 : x
  2. Step 2: Convert to fraction form
    51,067.62/76,572 = 19,866.42/x
  3. Step 3: Cross multiply
    51,067.62x = 76,572 × 19,866.42
  4. Step 4: Simplify right side
    51,067.62x = 1,521,211,512.24
  5. Step 5: Solve for x
    x = 1,521,211,512.24/51,067.62
  6. Step 6: Final answer
    x = 29,788.18

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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.