Home / 22,004.80-32,930.40-20,161.60

Finding the Fourth Proportional to 22,004.80, 32,930.40 and 20,161.60

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Solution

The fourth proportional to 22,004.80, 32,930.40 and 20,161.60 is: 30,172.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,004.80 : 32,930.40 = 20,161.60 : x
  2. Step 2: Convert to fraction form
    22,004.80/32,930.40 = 20,161.60/x
  3. Step 3: Cross multiply
    22,004.80x = 32,930.40 × 20,161.60
  4. Step 4: Simplify right side
    22,004.80x = 663,929,552.64
  5. Step 5: Solve for x
    x = 663,929,552.64/22,004.80
  6. Step 6: Final answer
    x = 30,172.03

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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.