Home / 73,934.56-110,868.90-21,331.54

Finding the Fourth Proportional to 73,934.56, 110,868.90 and 21,331.54

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Solution

The fourth proportional to 73,934.56, 110,868.90 and 21,331.54 is: 31,987.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,934.56 : 110,868.90 = 21,331.54 : x
  2. Step 2: Convert to fraction form
    73,934.56/110,868.90 = 21,331.54/x
  3. Step 3: Cross multiply
    73,934.56x = 110,868.90 × 21,331.54
  4. Step 4: Simplify right side
    73,934.56x = 2,365,004,375.11
  5. Step 5: Solve for x
    x = 2,365,004,375.11/73,934.56
  6. Step 6: Final answer
    x = 31,987.81

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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.