Home / 20,033.52-30,048.48-5,242.56

Finding the Fourth Proportional to 20,033.52, 30,048.48 and 5,242.56

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Solution

The fourth proportional to 20,033.52, 30,048.48 and 5,242.56 is: 7,863.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,033.52 : 30,048.48 = 5,242.56 : x
  2. Step 2: Convert to fraction form
    20,033.52/30,048.48 = 5,242.56/x
  3. Step 3: Cross multiply
    20,033.52x = 30,048.48 × 5,242.56
  4. Step 4: Simplify right side
    20,033.52x = 157,530,959.31
  5. Step 5: Solve for x
    x = 157,530,959.31/20,033.52
  6. Step 6: Final answer
    x = 7,863.37

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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.