Home / 38,083.73-52,554.91-21,087.61

Finding the Fourth Proportional to 38,083.73, 52,554.91 and 21,087.61

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Solution

The fourth proportional to 38,083.73, 52,554.91 and 21,087.61 is: 29,100.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.73 : 52,554.91 = 21,087.61 : x
  2. Step 2: Convert to fraction form
    38,083.73/52,554.91 = 21,087.61/x
  3. Step 3: Cross multiply
    38,083.73x = 52,554.91 × 21,087.61
  4. Step 4: Simplify right side
    38,083.73x = 1,108,257,261.56
  5. Step 5: Solve for x
    x = 1,108,257,261.56/38,083.73
  6. Step 6: Final answer
    x = 29,100.54

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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.