Home / 35,495.44-53,245.89-12,121.88

Finding the Fourth Proportional to 35,495.44, 53,245.89 and 12,121.88

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Solution

The fourth proportional to 35,495.44, 53,245.89 and 12,121.88 is: 18,183.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,495.44 : 53,245.89 = 12,121.88 : x
  2. Step 2: Convert to fraction form
    35,495.44/53,245.89 = 12,121.88/x
  3. Step 3: Cross multiply
    35,495.44x = 53,245.89 × 12,121.88
  4. Step 4: Simplify right side
    35,495.44x = 645,440,022.84
  5. Step 5: Solve for x
    x = 645,440,022.84/35,495.44
  6. Step 6: Final answer
    x = 18,183.75

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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.