Home / 38,839.67-53,598.23-21,843.91

Finding the Fourth Proportional to 38,839.67, 53,598.23 and 21,843.91

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Solution

The fourth proportional to 38,839.67, 53,598.23 and 21,843.91 is: 30,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,839.67 : 53,598.23 = 21,843.91 : x
  2. Step 2: Convert to fraction form
    38,839.67/53,598.23 = 21,843.91/x
  3. Step 3: Cross multiply
    38,839.67x = 53,598.23 × 21,843.91
  4. Step 4: Simplify right side
    38,839.67x = 1,170,794,912.28
  5. Step 5: Solve for x
    x = 1,170,794,912.28/38,839.67
  6. Step 6: Final answer
    x = 30,144.31

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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.