Home / 36,377.73-54,511.89-20,565.72

Finding the Fourth Proportional to 36,377.73, 54,511.89 and 20,565.72

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Solution

The fourth proportional to 36,377.73, 54,511.89 and 20,565.72 is: 30,817.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,377.73 : 54,511.89 = 20,565.72 : x
  2. Step 2: Convert to fraction form
    36,377.73/54,511.89 = 20,565.72/x
  3. Step 3: Cross multiply
    36,377.73x = 54,511.89 × 20,565.72
  4. Step 4: Simplify right side
    36,377.73x = 1,121,076,266.41
  5. Step 5: Solve for x
    x = 1,121,076,266.41/36,377.73
  6. Step 6: Final answer
    x = 30,817.65

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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.