Home / 33,075.20-49,629.82-18,281.36

Finding the Fourth Proportional to 33,075.20, 49,629.82 and 18,281.36

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Solution

The fourth proportional to 33,075.20, 49,629.82 and 18,281.36 is: 27,431.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,075.20 : 49,629.82 = 18,281.36 : x
  2. Step 2: Convert to fraction form
    33,075.20/49,629.82 = 18,281.36/x
  3. Step 3: Cross multiply
    33,075.20x = 49,629.82 × 18,281.36
  4. Step 4: Simplify right side
    33,075.20x = 907,300,606.16
  5. Step 5: Solve for x
    x = 907,300,606.16/33,075.20
  6. Step 6: Final answer
    x = 27,431.45

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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.