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Finding the Fourth Proportional to 32,421.75, 48,647.21 and 18,570.75

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Solution

The fourth proportional to 32,421.75, 48,647.21 and 18,570.75 is: 27,864.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,421.75 : 48,647.21 = 18,570.75 : x
  2. Step 2: Convert to fraction form
    32,421.75/48,647.21 = 18,570.75/x
  3. Step 3: Cross multiply
    32,421.75x = 48,647.21 × 18,570.75
  4. Step 4: Simplify right side
    32,421.75x = 903,415,082.25
  5. Step 5: Solve for x
    x = 903,415,082.25/32,421.75
  6. Step 6: Final answer
    x = 27,864.48

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