Home / 51,230.62-76,842.82-19,203.38

Finding the Fourth Proportional to 51,230.62, 76,842.82 and 19,203.38

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Solution

The fourth proportional to 51,230.62, 76,842.82 and 19,203.38 is: 28,803.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,230.62 : 76,842.82 = 19,203.38 : x
  2. Step 2: Convert to fraction form
    51,230.62/76,842.82 = 19,203.38/x
  3. Step 3: Cross multiply
    51,230.62x = 76,842.82 × 19,203.38
  4. Step 4: Simplify right side
    51,230.62x = 1,475,641,872.73
  5. Step 5: Solve for x
    x = 1,475,641,872.73/51,230.62
  6. Step 6: Final answer
    x = 28,803.90

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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.