Home / 51,201.76-76,749.84-19,604.38

Finding the Fourth Proportional to 51,201.76, 76,749.84 and 19,604.38

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Solution

The fourth proportional to 51,201.76, 76,749.84 and 19,604.38 is: 29,386.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,201.76 : 76,749.84 = 19,604.38 : x
  2. Step 2: Convert to fraction form
    51,201.76/76,749.84 = 19,604.38/x
  3. Step 3: Cross multiply
    51,201.76x = 76,749.84 × 19,604.38
  4. Step 4: Simplify right side
    51,201.76x = 1,504,633,028.30
  5. Step 5: Solve for x
    x = 1,504,633,028.30/51,201.76
  6. Step 6: Final answer
    x = 29,386.35

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.