Home / 36,318.04-50,113.43-20,399.44

Finding the Fourth Proportional to 36,318.04, 50,113.43 and 20,399.44

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Solution

The fourth proportional to 36,318.04, 50,113.43 and 20,399.44 is: 28,148.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,318.04 : 50,113.43 = 20,399.44 : x
  2. Step 2: Convert to fraction form
    36,318.04/50,113.43 = 20,399.44/x
  3. Step 3: Cross multiply
    36,318.04x = 50,113.43 × 20,399.44
  4. Step 4: Simplify right side
    36,318.04x = 1,022,285,908.48
  5. Step 5: Solve for x
    x = 1,022,285,908.48/36,318.04
  6. Step 6: Final answer
    x = 28,148.16

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.