Home / 39,197.23-54,092.28-21,292.09

Finding the Fourth Proportional to 39,197.23, 54,092.28 and 21,292.09

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Solution

The fourth proportional to 39,197.23, 54,092.28 and 21,292.09 is: 29,383.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,197.23 : 54,092.28 = 21,292.09 : x
  2. Step 2: Convert to fraction form
    39,197.23/54,092.28 = 21,292.09/x
  3. Step 3: Cross multiply
    39,197.23x = 54,092.28 × 21,292.09
  4. Step 4: Simplify right side
    39,197.23x = 1,151,737,694.07
  5. Step 5: Solve for x
    x = 1,151,737,694.07/39,197.23
  6. Step 6: Final answer
    x = 29,383.14

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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.