Home / 38,936.53-53,758.07-29,968.21

Finding the Fourth Proportional to 38,936.53, 53,758.07 and 29,968.21

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Solution

The fourth proportional to 38,936.53, 53,758.07 and 29,968.21 is: 41,375.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,936.53 : 53,758.07 = 29,968.21 : x
  2. Step 2: Convert to fraction form
    38,936.53/53,758.07 = 29,968.21/x
  3. Step 3: Cross multiply
    38,936.53x = 53,758.07 × 29,968.21
  4. Step 4: Simplify right side
    38,936.53x = 1,611,033,130.95
  5. Step 5: Solve for x
    x = 1,611,033,130.95/38,936.53
  6. Step 6: Final answer
    x = 41,375.88

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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.