Home / 39,918.66-55,086.48-22,014

Finding the Fourth Proportional to 39,918.66, 55,086.48 and 22,014

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Solution

The fourth proportional to 39,918.66, 55,086.48 and 22,014 is: 30,378.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,918.66 : 55,086.48 = 22,014 : x
  2. Step 2: Convert to fraction form
    39,918.66/55,086.48 = 22,014/x
  3. Step 3: Cross multiply
    39,918.66x = 55,086.48 × 22,014
  4. Step 4: Simplify right side
    39,918.66x = 1,212,673,770.72
  5. Step 5: Solve for x
    x = 1,212,673,770.72/39,918.66
  6. Step 6: Final answer
    x = 30,378.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.