Home / 41,121.40-61,673.70-11,531.80

Finding the Fourth Proportional to 41,121.40, 61,673.70 and 11,531.80

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Solution

The fourth proportional to 41,121.40, 61,673.70 and 11,531.80 is: 17,295.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,121.40 : 61,673.70 = 11,531.80 : x
  2. Step 2: Convert to fraction form
    41,121.40/61,673.70 = 11,531.80/x
  3. Step 3: Cross multiply
    41,121.40x = 61,673.70 × 11,531.80
  4. Step 4: Simplify right side
    41,121.40x = 711,208,773.66
  5. Step 5: Solve for x
    x = 711,208,773.66/41,121.40
  6. Step 6: Final answer
    x = 17,295.34

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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.