Home / 36,827.18-50,821.85-20,911.96

Finding the Fourth Proportional to 36,827.18, 50,821.85 and 20,911.96

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Solution

The fourth proportional to 36,827.18, 50,821.85 and 20,911.96 is: 28,858.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,827.18 : 50,821.85 = 20,911.96 : x
  2. Step 2: Convert to fraction form
    36,827.18/50,821.85 = 20,911.96/x
  3. Step 3: Cross multiply
    36,827.18x = 50,821.85 × 20,911.96
  4. Step 4: Simplify right side
    36,827.18x = 1,062,784,135.66
  5. Step 5: Solve for x
    x = 1,062,784,135.66/36,827.18
  6. Step 6: Final answer
    x = 28,858.69

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.