Home / 51,031.76-76,536.12-18,199.76

Finding the Fourth Proportional to 51,031.76, 76,536.12 and 18,199.76

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Solution

The fourth proportional to 51,031.76, 76,536.12 and 18,199.76 is: 27,295.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,031.76 : 76,536.12 = 18,199.76 : x
  2. Step 2: Convert to fraction form
    51,031.76/76,536.12 = 18,199.76/x
  3. Step 3: Cross multiply
    51,031.76x = 76,536.12 × 18,199.76
  4. Step 4: Simplify right side
    51,031.76x = 1,392,939,015.33
  5. Step 5: Solve for x
    x = 1,392,939,015.33/51,031.76
  6. Step 6: Final answer
    x = 27,295.53

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