Home / 36,286.67-50,078.91-21,186.65

Finding the Fourth Proportional to 36,286.67, 50,078.91 and 21,186.65

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Solution

The fourth proportional to 36,286.67, 50,078.91 and 21,186.65 is: 29,239.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,286.67 : 50,078.91 = 21,186.65 : x
  2. Step 2: Convert to fraction form
    36,286.67/50,078.91 = 21,186.65/x
  3. Step 3: Cross multiply
    36,286.67x = 50,078.91 × 21,186.65
  4. Step 4: Simplify right side
    36,286.67x = 1,061,004,088.16
  5. Step 5: Solve for x
    x = 1,061,004,088.16/36,286.67
  6. Step 6: Final answer
    x = 29,239.50

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1.5x scale

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.