Home / 38,584.86-57,718.89-30,808.86

Finding the Fourth Proportional to 38,584.86, 57,718.89 and 30,808.86

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Solution

The fourth proportional to 38,584.86, 57,718.89 and 30,808.86 is: 46,086.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.86 : 57,718.89 = 30,808.86 : x
  2. Step 2: Convert to fraction form
    38,584.86/57,718.89 = 30,808.86/x
  3. Step 3: Cross multiply
    38,584.86x = 57,718.89 × 30,808.86
  4. Step 4: Simplify right side
    38,584.86x = 1,778,253,201.37
  5. Step 5: Solve for x
    x = 1,778,253,201.37/38,584.86
  6. Step 6: Final answer
    x = 46,086.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.