Home / 34,185.85-51,284.80-11,691.24

Finding the Fourth Proportional to 34,185.85, 51,284.80 and 11,691.24

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Solution

The fourth proportional to 34,185.85, 51,284.80 and 11,691.24 is: 17,538.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,185.85 : 51,284.80 = 11,691.24 : x
  2. Step 2: Convert to fraction form
    34,185.85/51,284.80 = 11,691.24/x
  3. Step 3: Cross multiply
    34,185.85x = 51,284.80 × 11,691.24
  4. Step 4: Simplify right side
    34,185.85x = 599,583,004.14
  5. Step 5: Solve for x
    x = 599,583,004.14/34,185.85
  6. Step 6: Final answer
    x = 17,538.92

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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.