Home / 36,768.62-55,168.48-20,109.20

Finding the Fourth Proportional to 36,768.62, 55,168.48 and 20,109.20

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Solution

The fourth proportional to 36,768.62, 55,168.48 and 20,109.20 is: 30,172.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,768.62 : 55,168.48 = 20,109.20 : x
  2. Step 2: Convert to fraction form
    36,768.62/55,168.48 = 20,109.20/x
  3. Step 3: Cross multiply
    36,768.62x = 55,168.48 × 20,109.20
  4. Step 4: Simplify right side
    36,768.62x = 1,109,393,954.19
  5. Step 5: Solve for x
    x = 1,109,393,954.19/36,768.62
  6. Step 6: Final answer
    x = 30,172.31

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1.5x scale

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.