Home / 34,187.14-51,249.50-11,988.41

Finding the Fourth Proportional to 34,187.14, 51,249.50 and 11,988.41

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Solution

The fourth proportional to 34,187.14, 51,249.50 and 11,988.41 is: 17,971.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,187.14 : 51,249.50 = 11,988.41 : x
  2. Step 2: Convert to fraction form
    34,187.14/51,249.50 = 11,988.41/x
  3. Step 3: Cross multiply
    34,187.14x = 51,249.50 × 11,988.41
  4. Step 4: Simplify right side
    34,187.14x = 614,399,730.20
  5. Step 5: Solve for x
    x = 614,399,730.20/34,187.14
  6. Step 6: Final answer
    x = 17,971.66

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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.