Home / 34,131.91-51,220.93-11,945.48

Finding the Fourth Proportional to 34,131.91, 51,220.93 and 11,945.48

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Solution

The fourth proportional to 34,131.91, 51,220.93 and 11,945.48 is: 17,926.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,131.91 : 51,220.93 = 11,945.48 : x
  2. Step 2: Convert to fraction form
    34,131.91/51,220.93 = 11,945.48/x
  3. Step 3: Cross multiply
    34,131.91x = 51,220.93 × 11,945.48
  4. Step 4: Simplify right side
    34,131.91x = 611,858,594.90
  5. Step 5: Solve for x
    x = 611,858,594.90/34,131.91
  6. Step 6: Final answer
    x = 17,926.29

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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.