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Finding the Fourth Proportional to 58,705.70, 81,013.81 and 31,848.21

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Solution

The fourth proportional to 58,705.70, 81,013.81 and 31,848.21 is: 43,950.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,705.70 : 81,013.81 = 31,848.21 : x
  2. Step 2: Convert to fraction form
    58,705.70/81,013.81 = 31,848.21/x
  3. Step 3: Cross multiply
    58,705.70x = 81,013.81 × 31,848.21
  4. Step 4: Simplify right side
    58,705.70x = 2,580,144,269.47
  5. Step 5: Solve for x
    x = 2,580,144,269.47/58,705.70
  6. Step 6: Final answer
    x = 43,950.49

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