Home / 34,157.36-51,243.33-11,972.09

Finding the Fourth Proportional to 34,157.36, 51,243.33 and 11,972.09

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Solution

The fourth proportional to 34,157.36, 51,243.33 and 11,972.09 is: 17,960.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,157.36 : 51,243.33 = 11,972.09 : x
  2. Step 2: Convert to fraction form
    34,157.36/51,243.33 = 11,972.09/x
  3. Step 3: Cross multiply
    34,157.36x = 51,243.33 × 11,972.09
  4. Step 4: Simplify right side
    34,157.36x = 613,489,758.66
  5. Step 5: Solve for x
    x = 613,489,758.66/34,157.36
  6. Step 6: Final answer
    x = 17,960.69

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1.5x scale

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.