Home / 35,821.56-49,433.34-19,905.66

Finding the Fourth Proportional to 35,821.56, 49,433.34 and 19,905.66

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Solution

The fourth proportional to 35,821.56, 49,433.34 and 19,905.66 is: 27,469.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,821.56 : 49,433.34 = 19,905.66 : x
  2. Step 2: Convert to fraction form
    35,821.56/49,433.34 = 19,905.66/x
  3. Step 3: Cross multiply
    35,821.56x = 49,433.34 × 19,905.66
  4. Step 4: Simplify right side
    35,821.56x = 984,003,258.70
  5. Step 5: Solve for x
    x = 984,003,258.70/35,821.56
  6. Step 6: Final answer
    x = 27,469.58

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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.