Home / 34,660.92-51,991.38-11,289.72

Finding the Fourth Proportional to 34,660.92, 51,991.38 and 11,289.72

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Solution

The fourth proportional to 34,660.92, 51,991.38 and 11,289.72 is: 16,934.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,660.92 : 51,991.38 = 11,289.72 : x
  2. Step 2: Convert to fraction form
    34,660.92/51,991.38 = 11,289.72/x
  3. Step 3: Cross multiply
    34,660.92x = 51,991.38 × 11,289.72
  4. Step 4: Simplify right side
    34,660.92x = 586,968,122.61
  5. Step 5: Solve for x
    x = 586,968,122.61/34,660.92
  6. Step 6: Final answer
    x = 16,934.58

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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.