Home / 22,613.40-33,920.10-20,107.80

Finding the Fourth Proportional to 22,613.40, 33,920.10 and 20,107.80

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Solution

The fourth proportional to 22,613.40, 33,920.10 and 20,107.80 is: 30,161.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    22,613.40 : 33,920.10 = 20,107.80 : x
  2. Step 2: Convert to fraction form
    22,613.40/33,920.10 = 20,107.80/x
  3. Step 3: Cross multiply
    22,613.40x = 33,920.10 × 20,107.80
  4. Step 4: Simplify right side
    22,613.40x = 682,058,586.78
  5. Step 5: Solve for x
    x = 682,058,586.78/22,613.40
  6. Step 6: Final answer
    x = 30,161.70

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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.