Home / 60,922.56-91,378.07-18,791.33

Finding the Fourth Proportional to 60,922.56, 91,378.07 and 18,791.33

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Solution

The fourth proportional to 60,922.56, 91,378.07 and 18,791.33 is: 28,185.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,922.56 : 91,378.07 = 18,791.33 : x
  2. Step 2: Convert to fraction form
    60,922.56/91,378.07 = 18,791.33/x
  3. Step 3: Cross multiply
    60,922.56x = 91,378.07 × 18,791.33
  4. Step 4: Simplify right side
    60,922.56x = 1,717,115,468.13
  5. Step 5: Solve for x
    x = 1,717,115,468.13/60,922.56
  6. Step 6: Final answer
    x = 28,185.22

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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.