Home / 36,124.12-49,855.44-20,212.60

Finding the Fourth Proportional to 36,124.12, 49,855.44 and 20,212.60

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Solution

The fourth proportional to 36,124.12, 49,855.44 and 20,212.60 is: 27,895.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,124.12 : 49,855.44 = 20,212.60 : x
  2. Step 2: Convert to fraction form
    36,124.12/49,855.44 = 20,212.60/x
  3. Step 3: Cross multiply
    36,124.12x = 49,855.44 × 20,212.60
  4. Step 4: Simplify right side
    36,124.12x = 1,007,708,066.54
  5. Step 5: Solve for x
    x = 1,007,708,066.54/36,124.12
  6. Step 6: Final answer
    x = 27,895.71

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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.