Home / 33,633.07-46,387.15-20,879.05

Finding the Fourth Proportional to 33,633.07, 46,387.15 and 20,879.05

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Solution

The fourth proportional to 33,633.07, 46,387.15 and 20,879.05 is: 28,796.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,633.07 : 46,387.15 = 20,879.05 : x
  2. Step 2: Convert to fraction form
    33,633.07/46,387.15 = 20,879.05/x
  3. Step 3: Cross multiply
    33,633.07x = 46,387.15 × 20,879.05
  4. Step 4: Simplify right side
    33,633.07x = 968,519,519.81
  5. Step 5: Solve for x
    x = 968,519,519.81/33,633.07
  6. Step 6: Final answer
    x = 28,796.64

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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.