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Finding the Fourth Proportional to 51,076.16, 70,484.64 and 28,719.68

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Solution

The fourth proportional to 51,076.16, 70,484.64 and 28,719.68 is: 39,632.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,076.16 : 70,484.64 = 28,719.68 : x
  2. Step 2: Convert to fraction form
    51,076.16/70,484.64 = 28,719.68/x
  3. Step 3: Cross multiply
    51,076.16x = 70,484.64 × 28,719.68
  4. Step 4: Simplify right side
    51,076.16x = 2,024,296,305.72
  5. Step 5: Solve for x
    x = 2,024,296,305.72/51,076.16
  6. Step 6: Final answer
    x = 39,632.90

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