Home / 33,398.55-46,121.22-21,482.57

Finding the Fourth Proportional to 33,398.55, 46,121.22 and 21,482.57

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Solution

The fourth proportional to 33,398.55, 46,121.22 and 21,482.57 is: 29,666.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,398.55 : 46,121.22 = 21,482.57 : x
  2. Step 2: Convert to fraction form
    33,398.55/46,121.22 = 21,482.57/x
  3. Step 3: Cross multiply
    33,398.55x = 46,121.22 × 21,482.57
  4. Step 4: Simplify right side
    33,398.55x = 990,801,999.12
  5. Step 5: Solve for x
    x = 990,801,999.12/33,398.55
  6. Step 6: Final answer
    x = 29,666.02

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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.