Home / 34,011.78-51,018.81-11,825.36

Finding the Fourth Proportional to 34,011.78, 51,018.81 and 11,825.36

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Solution

The fourth proportional to 34,011.78, 51,018.81 and 11,825.36 is: 17,738.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,011.78 : 51,018.81 = 11,825.36 : x
  2. Step 2: Convert to fraction form
    34,011.78/51,018.81 = 11,825.36/x
  3. Step 3: Cross multiply
    34,011.78x = 51,018.81 × 11,825.36
  4. Step 4: Simplify right side
    34,011.78x = 603,315,539.93
  5. Step 5: Solve for x
    x = 603,315,539.93/34,011.78
  6. Step 6: Final answer
    x = 17,738.43

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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.