Home / 30,107.80-45,015.90-22,234.60

Finding the Fourth Proportional to 30,107.80, 45,015.90 and 22,234.60

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Solution

The fourth proportional to 30,107.80, 45,015.90 and 22,234.60 is: 33,244.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,107.80 : 45,015.90 = 22,234.60 : x
  2. Step 2: Convert to fraction form
    30,107.80/45,015.90 = 22,234.60/x
  3. Step 3: Cross multiply
    30,107.80x = 45,015.90 × 22,234.60
  4. Step 4: Simplify right side
    30,107.80x = 1,000,910,530.14
  5. Step 5: Solve for x
    x = 1,000,910,530.14/30,107.80
  6. Step 6: Final answer
    x = 33,244.23

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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.