Home / 73,018.21-109,540.84-23,110.87

Finding the Fourth Proportional to 73,018.21, 109,540.84 and 23,110.87

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Solution

The fourth proportional to 73,018.21, 109,540.84 and 23,110.87 is: 34,670.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,018.21 : 109,540.84 = 23,110.87 : x
  2. Step 2: Convert to fraction form
    73,018.21/109,540.84 = 23,110.87/x
  3. Step 3: Cross multiply
    73,018.21x = 109,540.84 × 23,110.87
  4. Step 4: Simplify right side
    73,018.21x = 2,531,584,112.93
  5. Step 5: Solve for x
    x = 2,531,584,112.93/73,018.21
  6. Step 6: Final answer
    x = 34,670.59

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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.