Home / 43,078.29-64,610.14-11,906.25

Finding the Fourth Proportional to 43,078.29, 64,610.14 and 11,906.25

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Solution

The fourth proportional to 43,078.29, 64,610.14 and 11,906.25 is: 17,857.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,078.29 : 64,610.14 = 11,906.25 : x
  2. Step 2: Convert to fraction form
    43,078.29/64,610.14 = 11,906.25/x
  3. Step 3: Cross multiply
    43,078.29x = 64,610.14 × 11,906.25
  4. Step 4: Simplify right side
    43,078.29x = 769,264,479.38
  5. Step 5: Solve for x
    x = 769,264,479.38/43,078.29
  6. Step 6: Final answer
    x = 17,857.36

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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.