Home / 55,204.79-82,808.55-20,144.44

Finding the Fourth Proportional to 55,204.79, 82,808.55 and 20,144.44

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Solution

The fourth proportional to 55,204.79, 82,808.55 and 20,144.44 is: 30,217.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,204.79 : 82,808.55 = 20,144.44 : x
  2. Step 2: Convert to fraction form
    55,204.79/82,808.55 = 20,144.44/x
  3. Step 3: Cross multiply
    55,204.79x = 82,808.55 × 20,144.44
  4. Step 4: Simplify right side
    55,204.79x = 1,668,131,659.94
  5. Step 5: Solve for x
    x = 1,668,131,659.94/55,204.79
  6. Step 6: Final answer
    x = 30,217.15

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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.