Home / 73,921.56-110,883.15-21,331.50

Finding the Fourth Proportional to 73,921.56, 110,883.15 and 21,331.50

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Solution

The fourth proportional to 73,921.56, 110,883.15 and 21,331.50 is: 31,997.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921.56 : 110,883.15 = 21,331.50 : x
  2. Step 2: Convert to fraction form
    73,921.56/110,883.15 = 21,331.50/x
  3. Step 3: Cross multiply
    73,921.56x = 110,883.15 × 21,331.50
  4. Step 4: Simplify right side
    73,921.56x = 2,365,303,914.23
  5. Step 5: Solve for x
    x = 2,365,303,914.23/73,921.56
  6. Step 6: Final answer
    x = 31,997.48

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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.