Home / 41,123.92-61,676.65-18,915.96

Finding the Fourth Proportional to 41,123.92, 61,676.65 and 18,915.96

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Solution

The fourth proportional to 41,123.92, 61,676.65 and 18,915.96 is: 28,369.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.92 : 61,676.65 = 18,915.96 : x
  2. Step 2: Convert to fraction form
    41,123.92/61,676.65 = 18,915.96/x
  3. Step 3: Cross multiply
    41,123.92x = 61,676.65 × 18,915.96
  4. Step 4: Simplify right side
    41,123.92x = 1,166,673,044.33
  5. Step 5: Solve for x
    x = 1,166,673,044.33/41,123.92
  6. Step 6: Final answer
    x = 28,369.69

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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.