Home / 22,622.60-33,905.10-20,145.80

Finding the Fourth Proportional to 22,622.60, 33,905.10 and 20,145.80

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Solution

The fourth proportional to 22,622.60, 33,905.10 and 20,145.80 is: 30,193.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,622.60 : 33,905.10 = 20,145.80 : x
  2. Step 2: Convert to fraction form
    22,622.60/33,905.10 = 20,145.80/x
  3. Step 3: Cross multiply
    22,622.60x = 33,905.10 × 20,145.80
  4. Step 4: Simplify right side
    22,622.60x = 683,045,363.58
  5. Step 5: Solve for x
    x = 683,045,363.58/22,622.60
  6. Step 6: Final answer
    x = 30,193.05

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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.