Home / 54,234.78-74,843.41-30,361.65

Finding the Fourth Proportional to 54,234.78, 74,843.41 and 30,361.65

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Solution

The fourth proportional to 54,234.78, 74,843.41 and 30,361.65 is: 41,898.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,234.78 : 74,843.41 = 30,361.65 : x
  2. Step 2: Convert to fraction form
    54,234.78/74,843.41 = 30,361.65/x
  3. Step 3: Cross multiply
    54,234.78x = 74,843.41 × 30,361.65
  4. Step 4: Simplify right side
    54,234.78x = 2,272,369,419.23
  5. Step 5: Solve for x
    x = 2,272,369,419.23/54,234.78
  6. Step 6: Final answer
    x = 41,898.75

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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.