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Finding the Fourth Proportional to 32,478.08, 48,722.20 and 13,758.16

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Solution

The fourth proportional to 32,478.08, 48,722.20 and 13,758.16 is: 20,639.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,478.08 : 48,722.20 = 13,758.16 : x
  2. Step 2: Convert to fraction form
    32,478.08/48,722.20 = 13,758.16/x
  3. Step 3: Cross multiply
    32,478.08x = 48,722.20 × 13,758.16
  4. Step 4: Simplify right side
    32,478.08x = 670,327,823.15
  5. Step 5: Solve for x
    x = 670,327,823.15/32,478.08
  6. Step 6: Final answer
    x = 20,639.39

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