Home / 36,220.43-49,984.11-20,304.87

Finding the Fourth Proportional to 36,220.43, 49,984.11 and 20,304.87

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Solution

The fourth proportional to 36,220.43, 49,984.11 and 20,304.87 is: 28,020.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,220.43 : 49,984.11 = 20,304.87 : x
  2. Step 2: Convert to fraction form
    36,220.43/49,984.11 = 20,304.87/x
  3. Step 3: Cross multiply
    36,220.43x = 49,984.11 × 20,304.87
  4. Step 4: Simplify right side
    36,220.43x = 1,014,920,855.62
  5. Step 5: Solve for x
    x = 1,014,920,855.62/36,220.43
  6. Step 6: Final answer
    x = 28,020.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.