Home / 41,123.05-61,665.10-18,929.86

Finding the Fourth Proportional to 41,123.05, 61,665.10 and 18,929.86

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Solution

The fourth proportional to 41,123.05, 61,665.10 and 18,929.86 is: 28,385.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,123.05 : 61,665.10 = 18,929.86 : x
  2. Step 2: Convert to fraction form
    41,123.05/61,665.10 = 18,929.86/x
  3. Step 3: Cross multiply
    41,123.05x = 61,665.10 × 18,929.86
  4. Step 4: Simplify right side
    41,123.05x = 1,167,311,508.40
  5. Step 5: Solve for x
    x = 1,167,311,508.40/41,123.05
  6. Step 6: Final answer
    x = 28,385.82

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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.