Home / 40,874.11-61,310.55-11,291.29

Finding the Fourth Proportional to 40,874.11, 61,310.55 and 11,291.29

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Solution

The fourth proportional to 40,874.11, 61,310.55 and 11,291.29 is: 16,936.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,874.11 : 61,310.55 = 11,291.29 : x
  2. Step 2: Convert to fraction form
    40,874.11/61,310.55 = 11,291.29/x
  3. Step 3: Cross multiply
    40,874.11x = 61,310.55 × 11,291.29
  4. Step 4: Simplify right side
    40,874.11x = 692,275,089.18
  5. Step 5: Solve for x
    x = 692,275,089.18/40,874.11
  6. Step 6: Final answer
    x = 16,936.76

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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.