Home / 30,367.78-41,907.59-16,755.51

Finding the Fourth Proportional to 30,367.78, 41,907.59 and 16,755.51

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Solution

The fourth proportional to 30,367.78, 41,907.59 and 16,755.51 is: 23,122.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,367.78 : 41,907.59 = 16,755.51 : x
  2. Step 2: Convert to fraction form
    30,367.78/41,907.59 = 16,755.51/x
  3. Step 3: Cross multiply
    30,367.78x = 41,907.59 × 16,755.51
  4. Step 4: Simplify right side
    30,367.78x = 702,183,043.32
  5. Step 5: Solve for x
    x = 702,183,043.32/30,367.78
  6. Step 6: Final answer
    x = 23,122.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.