Home / 30,216.25-45,102.58-27,989.61

Finding the Fourth Proportional to 30,216.25, 45,102.58 and 27,989.61

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Solution

The fourth proportional to 30,216.25, 45,102.58 and 27,989.61 is: 41,778.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,216.25 : 45,102.58 = 27,989.61 : x
  2. Step 2: Convert to fraction form
    30,216.25/45,102.58 = 27,989.61/x
  3. Step 3: Cross multiply
    30,216.25x = 45,102.58 × 27,989.61
  4. Step 4: Simplify right side
    30,216.25x = 1,262,403,633.33
  5. Step 5: Solve for x
    x = 1,262,403,633.33/30,216.25
  6. Step 6: Final answer
    x = 41,778.96

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These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.