Home / 36,071.73-54,115.29-21,291.66

Finding the Fourth Proportional to 36,071.73, 54,115.29 and 21,291.66

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Solution

The fourth proportional to 36,071.73, 54,115.29 and 21,291.66 is: 31,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,071.73 : 54,115.29 = 21,291.66 : x
  2. Step 2: Convert to fraction form
    36,071.73/54,115.29 = 21,291.66/x
  3. Step 3: Cross multiply
    36,071.73x = 54,115.29 × 21,291.66
  4. Step 4: Simplify right side
    36,071.73x = 1,152,204,355.48
  5. Step 5: Solve for x
    x = 1,152,204,355.48/36,071.73
  6. Step 6: Final answer
    x = 31,942.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.