Home / 36,939.98-55,393.94-20,295.02

Finding the Fourth Proportional to 36,939.98, 55,393.94 and 20,295.02

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Solution

The fourth proportional to 36,939.98, 55,393.94 and 20,295.02 is: 30,433.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,939.98 : 55,393.94 = 20,295.02 : x
  2. Step 2: Convert to fraction form
    36,939.98/55,393.94 = 20,295.02/x
  3. Step 3: Cross multiply
    36,939.98x = 55,393.94 × 20,295.02
  4. Step 4: Simplify right side
    36,939.98x = 1,124,221,120.18
  5. Step 5: Solve for x
    x = 1,124,221,120.18/36,939.98
  6. Step 6: Final answer
    x = 30,433.72

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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.