Home / 40,629.56-60,945.68-13,975.28

Finding the Fourth Proportional to 40,629.56, 60,945.68 and 13,975.28

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Solution

The fourth proportional to 40,629.56, 60,945.68 and 13,975.28 is: 20,963.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,629.56 : 60,945.68 = 13,975.28 : x
  2. Step 2: Convert to fraction form
    40,629.56/60,945.68 = 13,975.28/x
  3. Step 3: Cross multiply
    40,629.56x = 60,945.68 × 13,975.28
  4. Step 4: Simplify right side
    40,629.56x = 851,732,942.79
  5. Step 5: Solve for x
    x = 851,732,942.79/40,629.56
  6. Step 6: Final answer
    x = 20,963.38

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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.