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Finding the Fourth Proportional to 51,074.28, 70,483.86 and 30,934.80

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Solution

The fourth proportional to 51,074.28, 70,483.86 and 30,934.80 is: 42,690.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,074.28 : 70,483.86 = 30,934.80 : x
  2. Step 2: Convert to fraction form
    51,074.28/70,483.86 = 30,934.80/x
  3. Step 3: Cross multiply
    51,074.28x = 70,483.86 × 30,934.80
  4. Step 4: Simplify right side
    51,074.28x = 2,180,404,112.33
  5. Step 5: Solve for x
    x = 2,180,404,112.33/51,074.28
  6. Step 6: Final answer
    x = 42,690.84

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