Home / 73,921.06-110,882.40-21,331

Finding the Fourth Proportional to 73,921.06, 110,882.40 and 21,331

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Solution

The fourth proportional to 73,921.06, 110,882.40 and 21,331 is: 31,996.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,921.06 : 110,882.40 = 21,331 : x
  2. Step 2: Convert to fraction form
    73,921.06/110,882.40 = 21,331/x
  3. Step 3: Cross multiply
    73,921.06x = 110,882.40 × 21,331
  4. Step 4: Simplify right side
    73,921.06x = 2,365,232,474.40
  5. Step 5: Solve for x
    x = 2,365,232,474.40/73,921.06
  6. Step 6: Final answer
    x = 31,996.73

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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.