Home / 33,993.12-46,909.88-21,068.94

Finding the Fourth Proportional to 33,993.12, 46,909.88 and 21,068.94

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Solution

The fourth proportional to 33,993.12, 46,909.88 and 21,068.94 is: 29,074.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,993.12 : 46,909.88 = 21,068.94 : x
  2. Step 2: Convert to fraction form
    33,993.12/46,909.88 = 21,068.94/x
  3. Step 3: Cross multiply
    33,993.12x = 46,909.88 × 21,068.94
  4. Step 4: Simplify right side
    33,993.12x = 988,341,447.13
  5. Step 5: Solve for x
    x = 988,341,447.13/33,993.12
  6. Step 6: Final answer
    x = 29,074.75

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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.