Home / 40,619.76-60,907-12,531.84

Finding the Fourth Proportional to 40,619.76, 60,907 and 12,531.84

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Solution

The fourth proportional to 40,619.76, 60,907 and 12,531.84 is: 18,790.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619.76 : 60,907 = 12,531.84 : x
  2. Step 2: Convert to fraction form
    40,619.76/60,907 = 12,531.84/x
  3. Step 3: Cross multiply
    40,619.76x = 60,907 × 12,531.84
  4. Step 4: Simplify right side
    40,619.76x = 763,276,778.88
  5. Step 5: Solve for x
    x = 763,276,778.88/40,619.76
  6. Step 6: Final answer
    x = 18,790.78

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