Home / 57,979.44-79,976.25-38,333.86

Finding the Fourth Proportional to 57,979.44, 79,976.25 and 38,333.86

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Solution

The fourth proportional to 57,979.44, 79,976.25 and 38,333.86 is: 52,877.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,979.44 : 79,976.25 = 38,333.86 : x
  2. Step 2: Convert to fraction form
    57,979.44/79,976.25 = 38,333.86/x
  3. Step 3: Cross multiply
    57,979.44x = 79,976.25 × 38,333.86
  4. Step 4: Simplify right side
    57,979.44x = 3,065,797,970.94
  5. Step 5: Solve for x
    x = 3,065,797,970.94/57,979.44
  6. Step 6: Final answer
    x = 52,877.33

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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.