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Finding the Fourth Proportional to 54,067, 74,609.37 and 32,287.86

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Solution

The fourth proportional to 54,067, 74,609.37 and 32,287.86 is: 44,555.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,067 : 74,609.37 = 32,287.86 : x
  2. Step 2: Convert to fraction form
    54,067/74,609.37 = 32,287.86/x
  3. Step 3: Cross multiply
    54,067x = 74,609.37 × 32,287.86
  4. Step 4: Simplify right side
    54,067x = 2,408,976,893.25
  5. Step 5: Solve for x
    x = 2,408,976,893.25/54,067
  6. Step 6: Final answer
    x = 44,555.40

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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.