Home / 40,876.70-61,318.61-11,294.57

Finding the Fourth Proportional to 40,876.70, 61,318.61 and 11,294.57

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Solution

The fourth proportional to 40,876.70, 61,318.61 and 11,294.57 is: 16,942.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,876.70 : 61,318.61 = 11,294.57 : x
  2. Step 2: Convert to fraction form
    40,876.70/61,318.61 = 11,294.57/x
  3. Step 3: Cross multiply
    40,876.70x = 61,318.61 × 11,294.57
  4. Step 4: Simplify right side
    40,876.70x = 692,566,969.88
  5. Step 5: Solve for x
    x = 692,566,969.88/40,876.70
  6. Step 6: Final answer
    x = 16,942.83

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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.