Home / 33,633.68-50,384.88-20,453.36

Finding the Fourth Proportional to 33,633.68, 50,384.88 and 20,453.36

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Solution

The fourth proportional to 33,633.68, 50,384.88 and 20,453.36 is: 30,640.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,633.68 : 50,384.88 = 20,453.36 : x
  2. Step 2: Convert to fraction form
    33,633.68/50,384.88 = 20,453.36/x
  3. Step 3: Cross multiply
    33,633.68x = 50,384.88 × 20,453.36
  4. Step 4: Simplify right side
    33,633.68x = 1,030,539,837.27
  5. Step 5: Solve for x
    x = 1,030,539,837.27/33,633.68
  6. Step 6: Final answer
    x = 30,640.12

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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.