Home / 36,183.30-49,936.65-20,870.44

Finding the Fourth Proportional to 36,183.30, 49,936.65 and 20,870.44

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Solution

The fourth proportional to 36,183.30, 49,936.65 and 20,870.44 is: 28,803.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,183.30 : 49,936.65 = 20,870.44 : x
  2. Step 2: Convert to fraction form
    36,183.30/49,936.65 = 20,870.44/x
  3. Step 3: Cross multiply
    36,183.30x = 49,936.65 × 20,870.44
  4. Step 4: Simplify right side
    36,183.30x = 1,042,199,857.63
  5. Step 5: Solve for x
    x = 1,042,199,857.63/36,183.30
  6. Step 6: Final answer
    x = 28,803.34

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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.