Home / 40,243.09-60,365.91-19,185.43

Finding the Fourth Proportional to 40,243.09, 60,365.91 and 19,185.43

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Solution

The fourth proportional to 40,243.09, 60,365.91 and 19,185.43 is: 28,778.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,243.09 : 60,365.91 = 19,185.43 : x
  2. Step 2: Convert to fraction form
    40,243.09/60,365.91 = 19,185.43/x
  3. Step 3: Cross multiply
    40,243.09x = 60,365.91 × 19,185.43
  4. Step 4: Simplify right side
    40,243.09x = 1,158,145,940.69
  5. Step 5: Solve for x
    x = 1,158,145,940.69/40,243.09
  6. Step 6: Final answer
    x = 28,778.75

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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.