Home / 36,163.40-54,172.20-20,562.80

Finding the Fourth Proportional to 36,163.40, 54,172.20 and 20,562.80

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Solution

The fourth proportional to 36,163.40, 54,172.20 and 20,562.80 is: 30,802.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,163.40 : 54,172.20 = 20,562.80 : x
  2. Step 2: Convert to fraction form
    36,163.40/54,172.20 = 20,562.80/x
  3. Step 3: Cross multiply
    36,163.40x = 54,172.20 × 20,562.80
  4. Step 4: Simplify right side
    36,163.40x = 1,113,932,114.16
  5. Step 5: Solve for x
    x = 1,113,932,114.16/36,163.40
  6. Step 6: Final answer
    x = 30,802.75

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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.