Home / 36,119.16-49,843.44-20,203.68

Finding the Fourth Proportional to 36,119.16, 49,843.44 and 20,203.68

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Solution

The fourth proportional to 36,119.16, 49,843.44 and 20,203.68 is: 27,880.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,119.16 : 49,843.44 = 20,203.68 : x
  2. Step 2: Convert to fraction form
    36,119.16/49,843.44 = 20,203.68/x
  3. Step 3: Cross multiply
    36,119.16x = 49,843.44 × 20,203.68
  4. Step 4: Simplify right side
    36,119.16x = 1,007,020,911.86
  5. Step 5: Solve for x
    x = 1,007,020,911.86/36,119.16
  6. Step 6: Final answer
    x = 27,880.52

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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.