Home / 57,726-86,338.85-33,976.94

Finding the Fourth Proportional to 57,726, 86,338.85 and 33,976.94

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Solution

The fourth proportional to 57,726, 86,338.85 and 33,976.94 is: 50,818.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,726 : 86,338.85 = 33,976.94 : x
  2. Step 2: Convert to fraction form
    57,726/86,338.85 = 33,976.94/x
  3. Step 3: Cross multiply
    57,726x = 86,338.85 × 33,976.94
  4. Step 4: Simplify right side
    57,726x = 2,933,529,324.54
  5. Step 5: Solve for x
    x = 2,933,529,324.54/57,726
  6. Step 6: Final answer
    x = 50,818.16

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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.