Home / 33,102.78-49,643.64-10,912.02

Finding the Fourth Proportional to 33,102.78, 49,643.64 and 10,912.02

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Solution

The fourth proportional to 33,102.78, 49,643.64 and 10,912.02 is: 16,364.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,102.78 : 49,643.64 = 10,912.02 : x
  2. Step 2: Convert to fraction form
    33,102.78/49,643.64 = 10,912.02/x
  3. Step 3: Cross multiply
    33,102.78x = 49,643.64 × 10,912.02
  4. Step 4: Simplify right side
    33,102.78x = 541,712,392.55
  5. Step 5: Solve for x
    x = 541,712,392.55/33,102.78
  6. Step 6: Final answer
    x = 16,364.56

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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.