Home / 40,957.46-61,446.92-12,876.38

Finding the Fourth Proportional to 40,957.46, 61,446.92 and 12,876.38

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Solution

The fourth proportional to 40,957.46, 61,446.92 and 12,876.38 is: 19,317.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,957.46 : 61,446.92 = 12,876.38 : x
  2. Step 2: Convert to fraction form
    40,957.46/61,446.92 = 12,876.38/x
  3. Step 3: Cross multiply
    40,957.46x = 61,446.92 × 12,876.38
  4. Step 4: Simplify right side
    40,957.46x = 791,213,891.75
  5. Step 5: Solve for x
    x = 791,213,891.75/40,957.46
  6. Step 6: Final answer
    x = 19,317.94

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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.