Home / 33,811.08-46,643.58-21,878.27

Finding the Fourth Proportional to 33,811.08, 46,643.58 and 21,878.27

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Solution

The fourth proportional to 33,811.08, 46,643.58 and 21,878.27 is: 30,181.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,811.08 : 46,643.58 = 21,878.27 : x
  2. Step 2: Convert to fraction form
    33,811.08/46,643.58 = 21,878.27/x
  3. Step 3: Cross multiply
    33,811.08x = 46,643.58 × 21,878.27
  4. Step 4: Simplify right side
    33,811.08x = 1,020,480,603.79
  5. Step 5: Solve for x
    x = 1,020,480,603.79/33,811.08
  6. Step 6: Final answer
    x = 30,181.84

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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.