Home / 38,083.52-52,554.42-21,086.75

Finding the Fourth Proportional to 38,083.52, 52,554.42 and 21,086.75

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Solution

The fourth proportional to 38,083.52, 52,554.42 and 21,086.75 is: 29,099.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,083.52 : 52,554.42 = 21,086.75 : x
  2. Step 2: Convert to fraction form
    38,083.52/52,554.42 = 21,086.75/x
  3. Step 3: Cross multiply
    38,083.52x = 52,554.42 × 21,086.75
  4. Step 4: Simplify right side
    38,083.52x = 1,108,201,915.94
  5. Step 5: Solve for x
    x = 1,108,201,915.94/38,083.52
  6. Step 6: Final answer
    x = 29,099.25

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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.