Home / 45,890.52-68,836.54-12,610.38

Finding the Fourth Proportional to 45,890.52, 68,836.54 and 12,610.38

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Solution

The fourth proportional to 45,890.52, 68,836.54 and 12,610.38 is: 18,915.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,890.52 : 68,836.54 = 12,610.38 : x
  2. Step 2: Convert to fraction form
    45,890.52/68,836.54 = 12,610.38/x
  3. Step 3: Cross multiply
    45,890.52x = 68,836.54 × 12,610.38
  4. Step 4: Simplify right side
    45,890.52x = 868,054,943.05
  5. Step 5: Solve for x
    x = 868,054,943.05/45,890.52
  6. Step 6: Final answer
    x = 18,915.78

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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.