Home / 55,229.20-82,782.36-33,072.40

Finding the Fourth Proportional to 55,229.20, 82,782.36 and 33,072.40

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Solution

The fourth proportional to 55,229.20, 82,782.36 and 33,072.40 is: 49,571.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,229.20 : 82,782.36 = 33,072.40 : x
  2. Step 2: Convert to fraction form
    55,229.20/82,782.36 = 33,072.40/x
  3. Step 3: Cross multiply
    55,229.20x = 82,782.36 × 33,072.40
  4. Step 4: Simplify right side
    55,229.20x = 2,737,811,322.86
  5. Step 5: Solve for x
    x = 2,737,811,322.86/55,229.20
  6. Step 6: Final answer
    x = 49,571.81

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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.