Home / 49,009.20-73,416.60-28,208.40

Finding the Fourth Proportional to 49,009.20, 73,416.60 and 28,208.40

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Solution

The fourth proportional to 49,009.20, 73,416.60 and 28,208.40 is: 42,256.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,009.20 : 73,416.60 = 28,208.40 : x
  2. Step 2: Convert to fraction form
    49,009.20/73,416.60 = 28,208.40/x
  3. Step 3: Cross multiply
    49,009.20x = 73,416.60 × 28,208.40
  4. Step 4: Simplify right side
    49,009.20x = 2,070,964,819.44
  5. Step 5: Solve for x
    x = 2,070,964,819.44/49,009.20
  6. Step 6: Final answer
    x = 42,256.65

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