Home / 73,418.18-110,131.44-20,823.50

Finding the Fourth Proportional to 73,418.18, 110,131.44 and 20,823.50

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Solution

The fourth proportional to 73,418.18, 110,131.44 and 20,823.50 is: 31,236.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,418.18 : 110,131.44 = 20,823.50 : x
  2. Step 2: Convert to fraction form
    73,418.18/110,131.44 = 20,823.50/x
  3. Step 3: Cross multiply
    73,418.18x = 110,131.44 × 20,823.50
  4. Step 4: Simplify right side
    73,418.18x = 2,293,322,040.84
  5. Step 5: Solve for x
    x = 2,293,322,040.84/73,418.18
  6. Step 6: Final answer
    x = 31,236.43

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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.