Home / 34,310.70-51,485.09-16,780.68

Finding the Fourth Proportional to 34,310.70, 51,485.09 and 16,780.68

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Solution

The fourth proportional to 34,310.70, 51,485.09 and 16,780.68 is: 25,180.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,310.70 : 51,485.09 = 16,780.68 : x
  2. Step 2: Convert to fraction form
    34,310.70/51,485.09 = 16,780.68/x
  3. Step 3: Cross multiply
    34,310.70x = 51,485.09 × 16,780.68
  4. Step 4: Simplify right side
    34,310.70x = 863,954,736.16
  5. Step 5: Solve for x
    x = 863,954,736.16/34,310.70
  6. Step 6: Final answer
    x = 25,180.33

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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.