Home / 40,519.92-55,890.18-35,205.60

Finding the Fourth Proportional to 40,519.92, 55,890.18 and 35,205.60

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Solution

The fourth proportional to 40,519.92, 55,890.18 and 35,205.60 is: 48,560.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,519.92 : 55,890.18 = 35,205.60 : x
  2. Step 2: Convert to fraction form
    40,519.92/55,890.18 = 35,205.60/x
  3. Step 3: Cross multiply
    40,519.92x = 55,890.18 × 35,205.60
  4. Step 4: Simplify right side
    40,519.92x = 1,967,647,321.01
  5. Step 5: Solve for x
    x = 1,967,647,321.01/40,519.92
  6. Step 6: Final answer
    x = 48,560.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.