Home / 40,450.74-55,822.30-22,546.90

Finding the Fourth Proportional to 40,450.74, 55,822.30 and 22,546.90

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Solution

The fourth proportional to 40,450.74, 55,822.30 and 22,546.90 is: 31,114.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,450.74 : 55,822.30 = 22,546.90 : x
  2. Step 2: Convert to fraction form
    40,450.74/55,822.30 = 22,546.90/x
  3. Step 3: Cross multiply
    40,450.74x = 55,822.30 × 22,546.90
  4. Step 4: Simplify right side
    40,450.74x = 1,258,619,815.87
  5. Step 5: Solve for x
    x = 1,258,619,815.87/40,450.74
  6. Step 6: Final answer
    x = 31,114.88

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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.