Home / 34,186.54-51,111.23-28,979.66

Finding the Fourth Proportional to 34,186.54, 51,111.23 and 28,979.66

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Solution

The fourth proportional to 34,186.54, 51,111.23 and 28,979.66 is: 43,326.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,186.54 : 51,111.23 = 28,979.66 : x
  2. Step 2: Convert to fraction form
    34,186.54/51,111.23 = 28,979.66/x
  3. Step 3: Cross multiply
    34,186.54x = 51,111.23 × 28,979.66
  4. Step 4: Simplify right side
    34,186.54x = 1,481,186,067.58
  5. Step 5: Solve for x
    x = 1,481,186,067.58/34,186.54
  6. Step 6: Final answer
    x = 43,326.59

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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.