Home / 36,313.94-54,477.78-12,620.60

Finding the Fourth Proportional to 36,313.94, 54,477.78 and 12,620.60

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Solution

The fourth proportional to 36,313.94, 54,477.78 and 12,620.60 is: 18,933.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,313.94 : 54,477.78 = 12,620.60 : x
  2. Step 2: Convert to fraction form
    36,313.94/54,477.78 = 12,620.60/x
  3. Step 3: Cross multiply
    36,313.94x = 54,477.78 × 12,620.60
  4. Step 4: Simplify right side
    36,313.94x = 687,542,270.27
  5. Step 5: Solve for x
    x = 687,542,270.27/36,313.94
  6. Step 6: Final answer
    x = 18,933.29

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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.