Home / 36,171.02-49,919.28-20,039.88

Finding the Fourth Proportional to 36,171.02, 49,919.28 and 20,039.88

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Solution

The fourth proportional to 36,171.02, 49,919.28 and 20,039.88 is: 27,656.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,171.02 : 49,919.28 = 20,039.88 : x
  2. Step 2: Convert to fraction form
    36,171.02/49,919.28 = 20,039.88/x
  3. Step 3: Cross multiply
    36,171.02x = 49,919.28 × 20,039.88
  4. Step 4: Simplify right side
    36,171.02x = 1,000,376,380.89
  5. Step 5: Solve for x
    x = 1,000,376,380.89/36,171.02
  6. Step 6: Final answer
    x = 27,656.85

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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.