Home / 34,129.36-51,194.04-11,943.48

Finding the Fourth Proportional to 34,129.36, 51,194.04 and 11,943.48

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Solution

The fourth proportional to 34,129.36, 51,194.04 and 11,943.48 is: 17,915.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,129.36 : 51,194.04 = 11,943.48 : x
  2. Step 2: Convert to fraction form
    34,129.36/51,194.04 = 11,943.48/x
  3. Step 3: Cross multiply
    34,129.36x = 51,194.04 × 11,943.48
  4. Step 4: Simplify right side
    34,129.36x = 611,434,992.86
  5. Step 5: Solve for x
    x = 611,434,992.86/34,129.36
  6. Step 6: Final answer
    x = 17,915.22

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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.