Home / 36,811.36-50,786.33-20,886.59

Finding the Fourth Proportional to 36,811.36, 50,786.33 and 20,886.59

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Solution

The fourth proportional to 36,811.36, 50,786.33 and 20,886.59 is: 28,815.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,811.36 : 50,786.33 = 20,886.59 : x
  2. Step 2: Convert to fraction form
    36,811.36/50,786.33 = 20,886.59/x
  3. Step 3: Cross multiply
    36,811.36x = 50,786.33 × 20,886.59
  4. Step 4: Simplify right side
    36,811.36x = 1,060,753,252.31
  5. Step 5: Solve for x
    x = 1,060,753,252.31/36,811.36
  6. Step 6: Final answer
    x = 28,815.92

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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.