Home / 31,719.89-47,585.31-10,661.96

Finding the Fourth Proportional to 31,719.89, 47,585.31 and 10,661.96

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Solution

The fourth proportional to 31,719.89, 47,585.31 and 10,661.96 is: 15,994.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,719.89 : 47,585.31 = 10,661.96 : x
  2. Step 2: Convert to fraction form
    31,719.89/47,585.31 = 10,661.96/x
  3. Step 3: Cross multiply
    31,719.89x = 47,585.31 × 10,661.96
  4. Step 4: Simplify right side
    31,719.89x = 507,352,671.81
  5. Step 5: Solve for x
    x = 507,352,671.81/31,719.89
  6. Step 6: Final answer
    x = 15,994.78

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