Home / 36,550.10-50,436.32-20,636.12

Finding the Fourth Proportional to 36,550.10, 50,436.32 and 20,636.12

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Solution

The fourth proportional to 36,550.10, 50,436.32 and 20,636.12 is: 28,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,550.10 : 50,436.32 = 20,636.12 : x
  2. Step 2: Convert to fraction form
    36,550.10/50,436.32 = 20,636.12/x
  3. Step 3: Cross multiply
    36,550.10x = 50,436.32 × 20,636.12
  4. Step 4: Simplify right side
    36,550.10x = 1,040,809,974.79
  5. Step 5: Solve for x
    x = 1,040,809,974.79/36,550.10
  6. Step 6: Final answer
    x = 28,476.25

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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.