Home / 68,583.84-102,865.36-18,667.82

Finding the Fourth Proportional to 68,583.84, 102,865.36 and 18,667.82

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Solution

The fourth proportional to 68,583.84, 102,865.36 and 18,667.82 is: 27,998.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,583.84 : 102,865.36 = 18,667.82 : x
  2. Step 2: Convert to fraction form
    68,583.84/102,865.36 = 18,667.82/x
  3. Step 3: Cross multiply
    68,583.84x = 102,865.36 × 18,667.82
  4. Step 4: Simplify right side
    68,583.84x = 1,920,272,024.72
  5. Step 5: Solve for x
    x = 1,920,272,024.72/68,583.84
  6. Step 6: Final answer
    x = 27,998.90

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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.