Home / 29,638.12-40,915.48-22,908.54

Finding the Fourth Proportional to 29,638.12, 40,915.48 and 22,908.54

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Solution

The fourth proportional to 29,638.12, 40,915.48 and 22,908.54 is: 31,625.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,638.12 : 40,915.48 = 22,908.54 : x
  2. Step 2: Convert to fraction form
    29,638.12/40,915.48 = 22,908.54/x
  3. Step 3: Cross multiply
    29,638.12x = 40,915.48 × 22,908.54
  4. Step 4: Simplify right side
    29,638.12x = 937,313,910.20
  5. Step 5: Solve for x
    x = 937,313,910.20/29,638.12
  6. Step 6: Final answer
    x = 31,625.28

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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.