Home / 33,075.20-49,629.68-21,989.44

Finding the Fourth Proportional to 33,075.20, 49,629.68 and 21,989.44

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Solution

The fourth proportional to 33,075.20, 49,629.68 and 21,989.44 is: 32,995.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.20 : 49,629.68 = 21,989.44 : x
  2. Step 2: Convert to fraction form
    33,075.20/49,629.68 = 21,989.44/x
  3. Step 3: Cross multiply
    33,075.20x = 49,629.68 × 21,989.44
  4. Step 4: Simplify right side
    33,075.20x = 1,091,328,870.58
  5. Step 5: Solve for x
    x = 1,091,328,870.58/33,075.20
  6. Step 6: Final answer
    x = 32,995.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.