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Finding the Fourth Proportional to 36,258, 50,036.16 and 21,161.04

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Solution

The fourth proportional to 36,258, 50,036.16 and 21,161.04 is: 29,202.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,258 : 50,036.16 = 21,161.04 : x
  2. Step 2: Convert to fraction form
    36,258/50,036.16 = 21,161.04/x
  3. Step 3: Cross multiply
    36,258x = 50,036.16 × 21,161.04
  4. Step 4: Simplify right side
    36,258x = 1,058,817,183.21
  5. Step 5: Solve for x
    x = 1,058,817,183.21/36,258
  6. Step 6: Final answer
    x = 29,202.31

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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.