Home / 33,639.12-50,457.96-8,338.32

Finding the Fourth Proportional to 33,639.12, 50,457.96 and 8,338.32

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Solution

The fourth proportional to 33,639.12, 50,457.96 and 8,338.32 is: 12,507.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,639.12 : 50,457.96 = 8,338.32 : x
  2. Step 2: Convert to fraction form
    33,639.12/50,457.96 = 8,338.32/x
  3. Step 3: Cross multiply
    33,639.12x = 50,457.96 × 8,338.32
  4. Step 4: Simplify right side
    33,639.12x = 420,734,617.03
  5. Step 5: Solve for x
    x = 420,734,617.03/33,639.12
  6. Step 6: Final answer
    x = 12,507.30

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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.