Home / 41,005.40-61,469.21-20,204.60

Finding the Fourth Proportional to 41,005.40, 61,469.21 and 20,204.60

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Solution

The fourth proportional to 41,005.40, 61,469.21 and 20,204.60 is: 30,287.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,005.40 : 61,469.21 = 20,204.60 : x
  2. Step 2: Convert to fraction form
    41,005.40/61,469.21 = 20,204.60/x
  3. Step 3: Cross multiply
    41,005.40x = 61,469.21 × 20,204.60
  4. Step 4: Simplify right side
    41,005.40x = 1,241,960,543.53
  5. Step 5: Solve for x
    x = 1,241,960,543.53/41,005.40
  6. Step 6: Final answer
    x = 30,287.74

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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.