Home / 35,252.85-48,648.79-21,821.43

Finding the Fourth Proportional to 35,252.85, 48,648.79 and 21,821.43

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Solution

The fourth proportional to 35,252.85, 48,648.79 and 21,821.43 is: 30,113.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,252.85 : 48,648.79 = 21,821.43 : x
  2. Step 2: Convert to fraction form
    35,252.85/48,648.79 = 21,821.43/x
  3. Step 3: Cross multiply
    35,252.85x = 48,648.79 × 21,821.43
  4. Step 4: Simplify right side
    35,252.85x = 1,061,585,922.33
  5. Step 5: Solve for x
    x = 1,061,585,922.33/35,252.85
  6. Step 6: Final answer
    x = 30,113.48

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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.