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Finding the Fourth Proportional to 30,348, 41,886 and 17,100

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Solution

The fourth proportional to 30,348, 41,886 and 17,100 is: 23,601.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,348 : 41,886 = 17,100 : x
  2. Step 2: Convert to fraction form
    30,348/41,886 = 17,100/x
  3. Step 3: Cross multiply
    30,348x = 41,886 × 17,100
  4. Step 4: Simplify right side
    30,348x = 716,250,600
  5. Step 5: Solve for x
    x = 716,250,600/30,348
  6. Step 6: Final answer
    x = 23,601.25

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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.