Home / 38,106.45-57,161.30-11,811.69

Finding the Fourth Proportional to 38,106.45, 57,161.30 and 11,811.69

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Solution

The fourth proportional to 38,106.45, 57,161.30 and 11,811.69 is: 17,718.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,106.45 : 57,161.30 = 11,811.69 : x
  2. Step 2: Convert to fraction form
    38,106.45/57,161.30 = 11,811.69/x
  3. Step 3: Cross multiply
    38,106.45x = 57,161.30 × 11,811.69
  4. Step 4: Simplify right side
    38,106.45x = 675,171,496.54
  5. Step 5: Solve for x
    x = 675,171,496.54/38,106.45
  6. Step 6: Final answer
    x = 17,718.04

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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.