Home / 36,981.45-51,039.72-21,067.38

Finding the Fourth Proportional to 36,981.45, 51,039.72 and 21,067.38

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Solution

The fourth proportional to 36,981.45, 51,039.72 and 21,067.38 is: 29,076.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.45 : 51,039.72 = 21,067.38 : x
  2. Step 2: Convert to fraction form
    36,981.45/51,039.72 = 21,067.38/x
  3. Step 3: Cross multiply
    36,981.45x = 51,039.72 × 21,067.38
  4. Step 4: Simplify right side
    36,981.45x = 1,075,273,176.33
  5. Step 5: Solve for x
    x = 1,075,273,176.33/36,981.45
  6. Step 6: Final answer
    x = 29,076.01

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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.