Home / 34,156.36-51,241.83-11,971.09

Finding the Fourth Proportional to 34,156.36, 51,241.83 and 11,971.09

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Solution

The fourth proportional to 34,156.36, 51,241.83 and 11,971.09 is: 17,959.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,156.36 : 51,241.83 = 11,971.09 : x
  2. Step 2: Convert to fraction form
    34,156.36/51,241.83 = 11,971.09/x
  3. Step 3: Cross multiply
    34,156.36x = 51,241.83 × 11,971.09
  4. Step 4: Simplify right side
    34,156.36x = 613,420,558.69
  5. Step 5: Solve for x
    x = 613,420,558.69/34,156.36
  6. Step 6: Final answer
    x = 17,959.19

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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.