Home / 33,861.25-50,727.12-20,538.32

Finding the Fourth Proportional to 33,861.25, 50,727.12 and 20,538.32

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Solution

The fourth proportional to 33,861.25, 50,727.12 and 20,538.32 is: 30,768.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,861.25 : 50,727.12 = 20,538.32 : x
  2. Step 2: Convert to fraction form
    33,861.25/50,727.12 = 20,538.32/x
  3. Step 3: Cross multiply
    33,861.25x = 50,727.12 × 20,538.32
  4. Step 4: Simplify right side
    33,861.25x = 1,041,849,993.67
  5. Step 5: Solve for x
    x = 1,041,849,993.67/33,861.25
  6. Step 6: Final answer
    x = 30,768.21

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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.