Home / 41,105.21-61,657.88-9,940.46

Finding the Fourth Proportional to 41,105.21, 61,657.88 and 9,940.46

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Solution

The fourth proportional to 41,105.21, 61,657.88 and 9,940.46 is: 14,910.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,105.21 : 61,657.88 = 9,940.46 : x
  2. Step 2: Convert to fraction form
    41,105.21/61,657.88 = 9,940.46/x
  3. Step 3: Cross multiply
    41,105.21x = 61,657.88 × 9,940.46
  4. Step 4: Simplify right side
    41,105.21x = 612,907,331.83
  5. Step 5: Solve for x
    x = 612,907,331.83/41,105.21
  6. Step 6: Final answer
    x = 14,910.70

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1.5x scale

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.