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Finding the Fourth Proportional to 34,750.56, 51,678.78 and 33,643.39

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Solution

The fourth proportional to 34,750.56, 51,678.78 and 33,643.39 is: 50,032.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,750.56 : 51,678.78 = 33,643.39 : x
  2. Step 2: Convert to fraction form
    34,750.56/51,678.78 = 33,643.39/x
  3. Step 3: Cross multiply
    34,750.56x = 51,678.78 × 33,643.39
  4. Step 4: Simplify right side
    34,750.56x = 1,738,649,350.26
  5. Step 5: Solve for x
    x = 1,738,649,350.26/34,750.56
  6. Step 6: Final answer
    x = 50,032.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.