Home / 68,944.34-103,404.20-18,343.66

Finding the Fourth Proportional to 68,944.34, 103,404.20 and 18,343.66

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Solution

The fourth proportional to 68,944.34, 103,404.20 and 18,343.66 is: 27,512.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,944.34 : 103,404.20 = 18,343.66 : x
  2. Step 2: Convert to fraction form
    68,944.34/103,404.20 = 18,343.66/x
  3. Step 3: Cross multiply
    68,944.34x = 103,404.20 × 18,343.66
  4. Step 4: Simplify right side
    68,944.34x = 1,896,811,274.72
  5. Step 5: Solve for x
    x = 1,896,811,274.72/68,944.34
  6. Step 6: Final answer
    x = 27,512.21

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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.