Home / 22,220.20-33,330.30-20,794.60

Finding the Fourth Proportional to 22,220.20, 33,330.30 and 20,794.60

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Solution

The fourth proportional to 22,220.20, 33,330.30 and 20,794.60 is: 31,191.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,220.20 : 33,330.30 = 20,794.60 : x
  2. Step 2: Convert to fraction form
    22,220.20/33,330.30 = 20,794.60/x
  3. Step 3: Cross multiply
    22,220.20x = 33,330.30 × 20,794.60
  4. Step 4: Simplify right side
    22,220.20x = 693,090,256.38
  5. Step 5: Solve for x
    x = 693,090,256.38/22,220.20
  6. Step 6: Final answer
    x = 31,191.90

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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.