Home / 36,772.80-55,013.40-33,273.60

Finding the Fourth Proportional to 36,772.80, 55,013.40 and 33,273.60

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Solution

The fourth proportional to 36,772.80, 55,013.40 and 33,273.60 is: 49,778.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772.80 : 55,013.40 = 33,273.60 : x
  2. Step 2: Convert to fraction form
    36,772.80/55,013.40 = 33,273.60/x
  3. Step 3: Cross multiply
    36,772.80x = 55,013.40 × 33,273.60
  4. Step 4: Simplify right side
    36,772.80x = 1,830,493,866.24
  5. Step 5: Solve for x
    x = 1,830,493,866.24/36,772.80
  6. Step 6: Final answer
    x = 49,778.47

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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.