Home / 50,020.76-75,031.11-20,048.54

Finding the Fourth Proportional to 50,020.76, 75,031.11 and 20,048.54

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Solution

The fourth proportional to 50,020.76, 75,031.11 and 20,048.54 is: 30,072.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,020.76 : 75,031.11 = 20,048.54 : x
  2. Step 2: Convert to fraction form
    50,020.76/75,031.11 = 20,048.54/x
  3. Step 3: Cross multiply
    50,020.76x = 75,031.11 × 20,048.54
  4. Step 4: Simplify right side
    50,020.76x = 1,504,263,834.92
  5. Step 5: Solve for x
    x = 1,504,263,834.92/50,020.76
  6. Step 6: Final answer
    x = 30,072.79

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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.