Home / 30,414.88-45,622.29-22,147.48

Finding the Fourth Proportional to 30,414.88, 45,622.29 and 22,147.48

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Solution

The fourth proportional to 30,414.88, 45,622.29 and 22,147.48 is: 33,221.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,414.88 : 45,622.29 = 22,147.48 : x
  2. Step 2: Convert to fraction form
    30,414.88/45,622.29 = 22,147.48/x
  3. Step 3: Cross multiply
    30,414.88x = 45,622.29 × 22,147.48
  4. Step 4: Simplify right side
    30,414.88x = 1,010,418,644.59
  5. Step 5: Solve for x
    x = 1,010,418,644.59/30,414.88
  6. Step 6: Final answer
    x = 33,221.20

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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.