Home / 42,309.83-63,340.21-31,265.79

Finding the Fourth Proportional to 42,309.83, 63,340.21 and 31,265.79

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Solution

The fourth proportional to 42,309.83, 63,340.21 and 31,265.79 is: 46,806.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.83 : 63,340.21 = 31,265.79 : x
  2. Step 2: Convert to fraction form
    42,309.83/63,340.21 = 31,265.79/x
  3. Step 3: Cross multiply
    42,309.83x = 63,340.21 × 31,265.79
  4. Step 4: Simplify right side
    42,309.83x = 1,980,381,704.42
  5. Step 5: Solve for x
    x = 1,980,381,704.42/42,309.83
  6. Step 6: Final answer
    x = 46,806.66

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