Home / 45,152.06-67,732.89-13,989.74

Finding the Fourth Proportional to 45,152.06, 67,732.89 and 13,989.74

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Solution

The fourth proportional to 45,152.06, 67,732.89 and 13,989.74 is: 20,986.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,152.06 : 67,732.89 = 13,989.74 : x
  2. Step 2: Convert to fraction form
    45,152.06/67,732.89 = 13,989.74/x
  3. Step 3: Cross multiply
    45,152.06x = 67,732.89 × 13,989.74
  4. Step 4: Simplify right side
    45,152.06x = 947,565,520.55
  5. Step 5: Solve for x
    x = 947,565,520.55/45,152.06
  6. Step 6: Final answer
    x = 20,986.10

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