Home / 31,398.76-47,100.30-10,615.24

Finding the Fourth Proportional to 31,398.76, 47,100.30 and 10,615.24

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Solution

The fourth proportional to 31,398.76, 47,100.30 and 10,615.24 is: 15,923.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,398.76 : 47,100.30 = 10,615.24 : x
  2. Step 2: Convert to fraction form
    31,398.76/47,100.30 = 10,615.24/x
  3. Step 3: Cross multiply
    31,398.76x = 47,100.30 × 10,615.24
  4. Step 4: Simplify right side
    31,398.76x = 499,980,988.57
  5. Step 5: Solve for x
    x = 499,980,988.57/31,398.76
  6. Step 6: Final answer
    x = 15,923.59

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