Home / 68,626.24-102,936.32-18,706.33

Finding the Fourth Proportional to 68,626.24, 102,936.32 and 18,706.33

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Solution

The fourth proportional to 68,626.24, 102,936.32 and 18,706.33 is: 28,058.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,626.24 : 102,936.32 = 18,706.33 : x
  2. Step 2: Convert to fraction form
    68,626.24/102,936.32 = 18,706.33/x
  3. Step 3: Cross multiply
    68,626.24x = 102,936.32 × 18,706.33
  4. Step 4: Simplify right side
    68,626.24x = 1,925,560,731.44
  5. Step 5: Solve for x
    x = 1,925,560,731.44/68,626.24
  6. Step 6: Final answer
    x = 28,058.67

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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.