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Finding the Fourth Proportional to 36,949.22, 50,989.93 and 20,182.22

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Solution

The fourth proportional to 36,949.22, 50,989.93 and 20,182.22 is: 27,851.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,949.22 : 50,989.93 = 20,182.22 : x
  2. Step 2: Convert to fraction form
    36,949.22/50,989.93 = 20,182.22/x
  3. Step 3: Cross multiply
    36,949.22x = 50,989.93 × 20,182.22
  4. Step 4: Simplify right side
    36,949.22x = 1,029,089,870.85
  5. Step 5: Solve for x
    x = 1,029,089,870.85/36,949.22
  6. Step 6: Final answer
    x = 27,851.46

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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.