Home / 39,216.86-58,826.05-12,921.83

Finding the Fourth Proportional to 39,216.86, 58,826.05 and 12,921.83

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Solution

The fourth proportional to 39,216.86, 58,826.05 and 12,921.83 is: 19,382.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,216.86 : 58,826.05 = 12,921.83 : x
  2. Step 2: Convert to fraction form
    39,216.86/58,826.05 = 12,921.83/x
  3. Step 3: Cross multiply
    39,216.86x = 58,826.05 × 12,921.83
  4. Step 4: Simplify right side
    39,216.86x = 760,140,111.83
  5. Step 5: Solve for x
    x = 760,140,111.83/39,216.86
  6. Step 6: Final answer
    x = 19,382.99

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