Home / 41,318.60-61,982.30-13,228.61

Finding the Fourth Proportional to 41,318.60, 61,982.30 and 13,228.61

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Solution

The fourth proportional to 41,318.60, 61,982.30 and 13,228.61 is: 19,844.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,318.60 : 61,982.30 = 13,228.61 : x
  2. Step 2: Convert to fraction form
    41,318.60/61,982.30 = 13,228.61/x
  3. Step 3: Cross multiply
    41,318.60x = 61,982.30 × 13,228.61
  4. Step 4: Simplify right side
    41,318.60x = 819,939,297.55
  5. Step 5: Solve for x
    x = 819,939,297.55/41,318.60
  6. Step 6: Final answer
    x = 19,844.32

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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.