Home / 29,740.23-41,034.78-20,181.42

Finding the Fourth Proportional to 29,740.23, 41,034.78 and 20,181.42

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Solution

The fourth proportional to 29,740.23, 41,034.78 and 20,181.42 is: 27,845.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,740.23 : 41,034.78 = 20,181.42 : x
  2. Step 2: Convert to fraction form
    29,740.23/41,034.78 = 20,181.42/x
  3. Step 3: Cross multiply
    29,740.23x = 41,034.78 × 20,181.42
  4. Step 4: Simplify right side
    29,740.23x = 828,140,129.79
  5. Step 5: Solve for x
    x = 828,140,129.79/29,740.23
  6. Step 6: Final answer
    x = 27,845.79

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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.