Home / 36,029.66-49,718.84-20,115.11

Finding the Fourth Proportional to 36,029.66, 49,718.84 and 20,115.11

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Solution

The fourth proportional to 36,029.66, 49,718.84 and 20,115.11 is: 27,757.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,029.66 : 49,718.84 = 20,115.11 : x
  2. Step 2: Convert to fraction form
    36,029.66/49,718.84 = 20,115.11/x
  3. Step 3: Cross multiply
    36,029.66x = 49,718.84 × 20,115.11
  4. Step 4: Simplify right side
    36,029.66x = 1,000,099,586.50
  5. Step 5: Solve for x
    x = 1,000,099,586.50/36,029.66
  6. Step 6: Final answer
    x = 27,757.68

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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.