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Finding the Fourth Proportional to 31,555.16, 47,264.86 and 14,890.22

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Solution

The fourth proportional to 31,555.16, 47,264.86 and 14,890.22 is: 22,303.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,555.16 : 47,264.86 = 14,890.22 : x
  2. Step 2: Convert to fraction form
    31,555.16/47,264.86 = 14,890.22/x
  3. Step 3: Cross multiply
    31,555.16x = 47,264.86 × 14,890.22
  4. Step 4: Simplify right side
    31,555.16x = 703,784,163.67
  5. Step 5: Solve for x
    x = 703,784,163.67/31,555.16
  6. Step 6: Final answer
    x = 22,303.30

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