Home / 60,998.27-91,479.78-21,015.61

Finding the Fourth Proportional to 60,998.27, 91,479.78 and 21,015.61

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Solution

The fourth proportional to 60,998.27, 91,479.78 and 21,015.61 is: 31,517.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,998.27 : 91,479.78 = 21,015.61 : x
  2. Step 2: Convert to fraction form
    60,998.27/91,479.78 = 21,015.61/x
  3. Step 3: Cross multiply
    60,998.27x = 91,479.78 × 21,015.61
  4. Step 4: Simplify right side
    60,998.27x = 1,922,503,150.67
  5. Step 5: Solve for x
    x = 1,922,503,150.67/60,998.27
  6. Step 6: Final answer
    x = 31,517.34

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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.