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Finding the Fourth Proportional to 33,988, 46,906.32 and 19,086.88

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Solution

The fourth proportional to 33,988, 46,906.32 and 19,086.88 is: 26,341.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,988 : 46,906.32 = 19,086.88 : x
  2. Step 2: Convert to fraction form
    33,988/46,906.32 = 19,086.88/x
  3. Step 3: Cross multiply
    33,988x = 46,906.32 × 19,086.88
  4. Step 4: Simplify right side
    33,988x = 895,295,301.08
  5. Step 5: Solve for x
    x = 895,295,301.08/33,988
  6. Step 6: Final answer
    x = 26,341.51

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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.