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Finding the Fourth Proportional to 36,353, 50,166.66 and 20,220.20

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Solution

The fourth proportional to 36,353, 50,166.66 and 20,220.20 is: 27,903.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,353 : 50,166.66 = 20,220.20 : x
  2. Step 2: Convert to fraction form
    36,353/50,166.66 = 20,220.20/x
  3. Step 3: Cross multiply
    36,353x = 50,166.66 × 20,220.20
  4. Step 4: Simplify right side
    36,353x = 1,014,379,898.53
  5. Step 5: Solve for x
    x = 1,014,379,898.53/36,353
  6. Step 6: Final answer
    x = 27,903.61

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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.