Home / 34,179.75-51,270.44-13,403.25

Finding the Fourth Proportional to 34,179.75, 51,270.44 and 13,403.25

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Solution

The fourth proportional to 34,179.75, 51,270.44 and 13,403.25 is: 20,105.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,179.75 : 51,270.44 = 13,403.25 : x
  2. Step 2: Convert to fraction form
    34,179.75/51,270.44 = 13,403.25/x
  3. Step 3: Cross multiply
    34,179.75x = 51,270.44 × 13,403.25
  4. Step 4: Simplify right side
    34,179.75x = 687,190,457.91
  5. Step 5: Solve for x
    x = 687,190,457.91/34,179.75
  6. Step 6: Final answer
    x = 20,105.19

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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.