Home / 33,198.54-45,810.13-20,271.32

Finding the Fourth Proportional to 33,198.54, 45,810.13 and 20,271.32

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Solution

The fourth proportional to 33,198.54, 45,810.13 and 20,271.32 is: 27,972.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,198.54 : 45,810.13 = 20,271.32 : x
  2. Step 2: Convert to fraction form
    33,198.54/45,810.13 = 20,271.32/x
  3. Step 3: Cross multiply
    33,198.54x = 45,810.13 × 20,271.32
  4. Step 4: Simplify right side
    33,198.54x = 928,631,804.47
  5. Step 5: Solve for x
    x = 928,631,804.47/33,198.54
  6. Step 6: Final answer
    x = 27,972.07

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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.