Home / 41,217.90-61,826.15-13,137.59

Finding the Fourth Proportional to 41,217.90, 61,826.15 and 13,137.59

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Solution

The fourth proportional to 41,217.90, 61,826.15 and 13,137.59 is: 19,706.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,217.90 : 61,826.15 = 13,137.59 : x
  2. Step 2: Convert to fraction form
    41,217.90/61,826.15 = 13,137.59/x
  3. Step 3: Cross multiply
    41,217.90x = 61,826.15 × 13,137.59
  4. Step 4: Simplify right side
    41,217.90x = 812,246,797.39
  5. Step 5: Solve for x
    x = 812,246,797.39/41,217.90
  6. Step 6: Final answer
    x = 19,706.17

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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.