Home / 36,054.16-49,754.64-20,138.64

Finding the Fourth Proportional to 36,054.16, 49,754.64 and 20,138.64

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Solution

The fourth proportional to 36,054.16, 49,754.64 and 20,138.64 is: 27,791.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,054.16 : 49,754.64 = 20,138.64 : x
  2. Step 2: Convert to fraction form
    36,054.16/49,754.64 = 20,138.64/x
  3. Step 3: Cross multiply
    36,054.16x = 49,754.64 × 20,138.64
  4. Step 4: Simplify right side
    36,054.16x = 1,001,990,783.29
  5. Step 5: Solve for x
    x = 1,001,990,783.29/36,054.16
  6. Step 6: Final answer
    x = 27,791.27

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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.