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Finding the Fourth Proportional to 55,303.45, 82,955.46 and 13,750.45

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Solution

The fourth proportional to 55,303.45, 82,955.46 and 13,750.45 is: 20,625.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,303.45 : 82,955.46 = 13,750.45 : x
  2. Step 2: Convert to fraction form
    55,303.45/82,955.46 = 13,750.45/x
  3. Step 3: Cross multiply
    55,303.45x = 82,955.46 × 13,750.45
  4. Step 4: Simplify right side
    55,303.45x = 1,140,674,490.18
  5. Step 5: Solve for x
    x = 1,140,674,490.18/55,303.45
  6. Step 6: Final answer
    x = 20,625.74

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