Home / 36,097.20-49,815.22-20,181.72

Finding the Fourth Proportional to 36,097.20, 49,815.22 and 20,181.72

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Solution

The fourth proportional to 36,097.20, 49,815.22 and 20,181.72 is: 27,851.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,097.20 : 49,815.22 = 20,181.72 : x
  2. Step 2: Convert to fraction form
    36,097.20/49,815.22 = 20,181.72/x
  3. Step 3: Cross multiply
    36,097.20x = 49,815.22 × 20,181.72
  4. Step 4: Simplify right side
    36,097.20x = 1,005,356,821.78
  5. Step 5: Solve for x
    x = 1,005,356,821.78/36,097.20
  6. Step 6: Final answer
    x = 27,851.38

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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.