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Finding the Fourth Proportional to 55,635.16, 76,776.72 and 30,484.64

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Solution

The fourth proportional to 55,635.16, 76,776.72 and 30,484.64 is: 42,068.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,635.16 : 76,776.72 = 30,484.64 : x
  2. Step 2: Convert to fraction form
    55,635.16/76,776.72 = 30,484.64/x
  3. Step 3: Cross multiply
    55,635.16x = 76,776.72 × 30,484.64
  4. Step 4: Simplify right side
    55,635.16x = 2,340,510,669.58
  5. Step 5: Solve for x
    x = 2,340,510,669.58/55,635.16
  6. Step 6: Final answer
    x = 42,068.91

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