Home / 40,455.60-55,821.96-22,546.68

Finding the Fourth Proportional to 40,455.60, 55,821.96 and 22,546.68

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Solution

The fourth proportional to 40,455.60, 55,821.96 and 22,546.68 is: 31,110.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,455.60 : 55,821.96 = 22,546.68 : x
  2. Step 2: Convert to fraction form
    40,455.60/55,821.96 = 22,546.68/x
  3. Step 3: Cross multiply
    40,455.60x = 55,821.96 × 22,546.68
  4. Step 4: Simplify right side
    40,455.60x = 1,258,599,869.09
  5. Step 5: Solve for x
    x = 1,258,599,869.09/40,455.60
  6. Step 6: Final answer
    x = 31,110.65

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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.