Home / 36,981.44-51,039.70-21,067.40

Finding the Fourth Proportional to 36,981.44, 51,039.70 and 21,067.40

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Solution

The fourth proportional to 36,981.44, 51,039.70 and 21,067.40 is: 29,076.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,981.44 : 51,039.70 = 21,067.40 : x
  2. Step 2: Convert to fraction form
    36,981.44/51,039.70 = 21,067.40/x
  3. Step 3: Cross multiply
    36,981.44x = 51,039.70 × 21,067.40
  4. Step 4: Simplify right side
    36,981.44x = 1,075,273,775.78
  5. Step 5: Solve for x
    x = 1,075,273,775.78/36,981.44
  6. Step 6: Final answer
    x = 29,076.04

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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.