Home / 41,219.46-61,807.14-13,131.90

Finding the Fourth Proportional to 41,219.46, 61,807.14 and 13,131.90

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Solution

The fourth proportional to 41,219.46, 61,807.14 and 13,131.90 is: 19,690.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,219.46 : 61,807.14 = 13,131.90 : x
  2. Step 2: Convert to fraction form
    41,219.46/61,807.14 = 13,131.90/x
  3. Step 3: Cross multiply
    41,219.46x = 61,807.14 × 13,131.90
  4. Step 4: Simplify right side
    41,219.46x = 811,645,181.77
  5. Step 5: Solve for x
    x = 811,645,181.77/41,219.46
  6. Step 6: Final answer
    x = 19,690.83

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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.