Home / 36,860.94-50,872.32-20,509.77

Finding the Fourth Proportional to 36,860.94, 50,872.32 and 20,509.77

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Solution

The fourth proportional to 36,860.94, 50,872.32 and 20,509.77 is: 28,305.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,860.94 : 50,872.32 = 20,509.77 : x
  2. Step 2: Convert to fraction form
    36,860.94/50,872.32 = 20,509.77/x
  3. Step 3: Cross multiply
    36,860.94x = 50,872.32 × 20,509.77
  4. Step 4: Simplify right side
    36,860.94x = 1,043,379,582.57
  5. Step 5: Solve for x
    x = 1,043,379,582.57/36,860.94
  6. Step 6: Final answer
    x = 28,305.83

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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.