Home / 31,070.91-42,878.31-16,923.75

Finding the Fourth Proportional to 31,070.91, 42,878.31 and 16,923.75

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Solution

The fourth proportional to 31,070.91, 42,878.31 and 16,923.75 is: 23,355.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.91 : 42,878.31 = 16,923.75 : x
  2. Step 2: Convert to fraction form
    31,070.91/42,878.31 = 16,923.75/x
  3. Step 3: Cross multiply
    31,070.91x = 42,878.31 × 16,923.75
  4. Step 4: Simplify right side
    31,070.91x = 725,661,798.86
  5. Step 5: Solve for x
    x = 725,661,798.86/31,070.91
  6. Step 6: Final answer
    x = 23,355.02

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