Home / 30,979.24-42,751.74-16,832.32

Finding the Fourth Proportional to 30,979.24, 42,751.74 and 16,832.32

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Solution

The fourth proportional to 30,979.24, 42,751.74 and 16,832.32 is: 23,228.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,979.24 : 42,751.74 = 16,832.32 : x
  2. Step 2: Convert to fraction form
    30,979.24/42,751.74 = 16,832.32/x
  3. Step 3: Cross multiply
    30,979.24x = 42,751.74 × 16,832.32
  4. Step 4: Simplify right side
    30,979.24x = 719,610,968.24
  5. Step 5: Solve for x
    x = 719,610,968.24/30,979.24
  6. Step 6: Final answer
    x = 23,228.81

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