Home / 54,245.07-74,858.31-30,372.75

Finding the Fourth Proportional to 54,245.07, 74,858.31 and 30,372.75

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Solution

The fourth proportional to 54,245.07, 74,858.31 and 30,372.75 is: 41,914.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,245.07 : 74,858.31 = 30,372.75 : x
  2. Step 2: Convert to fraction form
    54,245.07/74,858.31 = 30,372.75/x
  3. Step 3: Cross multiply
    54,245.07x = 74,858.31 × 30,372.75
  4. Step 4: Simplify right side
    54,245.07x = 2,273,652,735.05
  5. Step 5: Solve for x
    x = 2,273,652,735.05/54,245.07
  6. Step 6: Final answer
    x = 41,914.46

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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.