Home / 34,078.32-51,060.78-11,879.46

Finding the Fourth Proportional to 34,078.32, 51,060.78 and 11,879.46

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Solution

The fourth proportional to 34,078.32, 51,060.78 and 11,879.46 is: 17,799.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,078.32 : 51,060.78 = 11,879.46 : x
  2. Step 2: Convert to fraction form
    34,078.32/51,060.78 = 11,879.46/x
  3. Step 3: Cross multiply
    34,078.32x = 51,060.78 × 11,879.46
  4. Step 4: Simplify right side
    34,078.32x = 606,574,493.58
  5. Step 5: Solve for x
    x = 606,574,493.58/34,078.32
  6. Step 6: Final answer
    x = 17,799.42

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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.