Home / 40,992.62-61,495.92-18,807.89

Finding the Fourth Proportional to 40,992.62, 61,495.92 and 18,807.89

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Solution

The fourth proportional to 40,992.62, 61,495.92 and 18,807.89 is: 28,215.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,992.62 : 61,495.92 = 18,807.89 : x
  2. Step 2: Convert to fraction form
    40,992.62/61,495.92 = 18,807.89/x
  3. Step 3: Cross multiply
    40,992.62x = 61,495.92 × 18,807.89
  4. Step 4: Simplify right side
    40,992.62x = 1,156,608,191.33
  5. Step 5: Solve for x
    x = 1,156,608,191.33/40,992.62
  6. Step 6: Final answer
    x = 28,215.04

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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.