Home / 33,781.04-46,611.42-21,200.12

Finding the Fourth Proportional to 33,781.04, 46,611.42 and 21,200.12

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Solution

The fourth proportional to 33,781.04, 46,611.42 and 21,200.12 is: 29,252.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,781.04 : 46,611.42 = 21,200.12 : x
  2. Step 2: Convert to fraction form
    33,781.04/46,611.42 = 21,200.12/x
  3. Step 3: Cross multiply
    33,781.04x = 46,611.42 × 21,200.12
  4. Step 4: Simplify right side
    33,781.04x = 988,167,697.37
  5. Step 5: Solve for x
    x = 988,167,697.37/33,781.04
  6. Step 6: Final answer
    x = 29,252.14

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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.