Home / 38,163.69-57,250.98-11,871.09

Finding the Fourth Proportional to 38,163.69, 57,250.98 and 11,871.09

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Solution

The fourth proportional to 38,163.69, 57,250.98 and 11,871.09 is: 17,808.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,163.69 : 57,250.98 = 11,871.09 : x
  2. Step 2: Convert to fraction form
    38,163.69/57,250.98 = 11,871.09/x
  3. Step 3: Cross multiply
    38,163.69x = 57,250.98 × 11,871.09
  4. Step 4: Simplify right side
    38,163.69x = 679,631,536.17
  5. Step 5: Solve for x
    x = 679,631,536.17/38,163.69
  6. Step 6: Final answer
    x = 17,808.33

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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.