Home / 51,321.18-76,992.57-19,300.44

Finding the Fourth Proportional to 51,321.18, 76,992.57 and 19,300.44

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Solution

The fourth proportional to 51,321.18, 76,992.57 and 19,300.44 is: 28,954.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,321.18 : 76,992.57 = 19,300.44 : x
  2. Step 2: Convert to fraction form
    51,321.18/76,992.57 = 19,300.44/x
  3. Step 3: Cross multiply
    51,321.18x = 76,992.57 × 19,300.44
  4. Step 4: Simplify right side
    51,321.18x = 1,485,990,477.73
  5. Step 5: Solve for x
    x = 1,485,990,477.73/51,321.18
  6. Step 6: Final answer
    x = 28,954.72

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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.