Home / 36,207.29-49,956.68-21,855.78

Finding the Fourth Proportional to 36,207.29, 49,956.68 and 21,855.78

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Solution

The fourth proportional to 36,207.29, 49,956.68 and 21,855.78 is: 30,155.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,207.29 : 49,956.68 = 21,855.78 : x
  2. Step 2: Convert to fraction form
    36,207.29/49,956.68 = 21,855.78/x
  3. Step 3: Cross multiply
    36,207.29x = 49,956.68 × 21,855.78
  4. Step 4: Simplify right side
    36,207.29x = 1,091,842,262.25
  5. Step 5: Solve for x
    x = 1,091,842,262.25/36,207.29
  6. Step 6: Final answer
    x = 30,155.31

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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.