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Finding the Fourth Proportional to 47,285.71, 70,930.99 and 12,225.67

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Solution

The fourth proportional to 47,285.71, 70,930.99 and 12,225.67 is: 18,339.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,285.71 : 70,930.99 = 12,225.67 : x
  2. Step 2: Convert to fraction form
    47,285.71/70,930.99 = 12,225.67/x
  3. Step 3: Cross multiply
    47,285.71x = 70,930.99 × 12,225.67
  4. Step 4: Simplify right side
    47,285.71x = 867,178,876.51
  5. Step 5: Solve for x
    x = 867,178,876.51/47,285.71
  6. Step 6: Final answer
    x = 18,339.13

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