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Finding the Fourth Proportional to 49,886.94, 74,830.20 and 20,297.76

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Solution

The fourth proportional to 49,886.94, 74,830.20 and 20,297.76 is: 30,446.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,886.94 : 74,830.20 = 20,297.76 : x
  2. Step 2: Convert to fraction form
    49,886.94/74,830.20 = 20,297.76/x
  3. Step 3: Cross multiply
    49,886.94x = 74,830.20 × 20,297.76
  4. Step 4: Simplify right side
    49,886.94x = 1,518,885,440.35
  5. Step 5: Solve for x
    x = 1,518,885,440.35/49,886.94
  6. Step 6: Final answer
    x = 30,446.55

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