Home / 36,772.91-55,148.40-13,393.88

Finding the Fourth Proportional to 36,772.91, 55,148.40 and 13,393.88

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Solution

The fourth proportional to 36,772.91, 55,148.40 and 13,393.88 is: 20,086.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,772.91 : 55,148.40 = 13,393.88 : x
  2. Step 2: Convert to fraction form
    36,772.91/55,148.40 = 13,393.88/x
  3. Step 3: Cross multiply
    36,772.91x = 55,148.40 × 13,393.88
  4. Step 4: Simplify right side
    36,772.91x = 738,651,051.79
  5. Step 5: Solve for x
    x = 738,651,051.79/36,772.91
  6. Step 6: Final answer
    x = 20,086.83

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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.