Home / 30,366.78-41,906.21-16,754.51

Finding the Fourth Proportional to 30,366.78, 41,906.21 and 16,754.51

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Solution

The fourth proportional to 30,366.78, 41,906.21 and 16,754.51 is: 23,121.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,366.78 : 41,906.21 = 16,754.51 : x
  2. Step 2: Convert to fraction form
    30,366.78/41,906.21 = 16,754.51/x
  3. Step 3: Cross multiply
    30,366.78x = 41,906.21 × 16,754.51
  4. Step 4: Simplify right side
    30,366.78x = 702,117,721.20
  5. Step 5: Solve for x
    x = 702,117,721.20/30,366.78
  6. Step 6: Final answer
    x = 23,121.24

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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.