Home / 55,204.92-82,808.74-20,144.56

Finding the Fourth Proportional to 55,204.92, 82,808.74 and 20,144.56

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Solution

The fourth proportional to 55,204.92, 82,808.74 and 20,144.56 is: 30,217.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,204.92 : 82,808.74 = 20,144.56 : x
  2. Step 2: Convert to fraction form
    55,204.92/82,808.74 = 20,144.56/x
  3. Step 3: Cross multiply
    55,204.92x = 82,808.74 × 20,144.56
  4. Step 4: Simplify right side
    55,204.92x = 1,668,145,788.11
  5. Step 5: Solve for x
    x = 1,668,145,788.11/55,204.92
  6. Step 6: Final answer
    x = 30,217.34

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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.