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Finding the Fourth Proportional to 51,661.17, 77,417.75 and 29,428.64

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Solution

The fourth proportional to 51,661.17, 77,417.75 and 29,428.64 is: 44,100.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,661.17 : 77,417.75 = 29,428.64 : x
  2. Step 2: Convert to fraction form
    51,661.17/77,417.75 = 29,428.64/x
  3. Step 3: Cross multiply
    51,661.17x = 77,417.75 × 29,428.64
  4. Step 4: Simplify right side
    51,661.17x = 2,278,299,071.16
  5. Step 5: Solve for x
    x = 2,278,299,071.16/51,661.17
  6. Step 6: Final answer
    x = 44,100.80

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