Home / 19,950.62-29,930.31-5,911.76

Finding the Fourth Proportional to 19,950.62, 29,930.31 and 5,911.76

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Solution

The fourth proportional to 19,950.62, 29,930.31 and 5,911.76 is: 8,868.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,950.62 : 29,930.31 = 5,911.76 : x
  2. Step 2: Convert to fraction form
    19,950.62/29,930.31 = 5,911.76/x
  3. Step 3: Cross multiply
    19,950.62x = 29,930.31 × 5,911.76
  4. Step 4: Simplify right side
    19,950.62x = 176,940,659.79
  5. Step 5: Solve for x
    x = 176,940,659.79/19,950.62
  6. Step 6: Final answer
    x = 8,868.93

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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.