Home / 43,676.63-65,540.36-18,374.30

Finding the Fourth Proportional to 43,676.63, 65,540.36 and 18,374.30

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Solution

The fourth proportional to 43,676.63, 65,540.36 and 18,374.30 is: 27,572.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,676.63 : 65,540.36 = 18,374.30 : x
  2. Step 2: Convert to fraction form
    43,676.63/65,540.36 = 18,374.30/x
  3. Step 3: Cross multiply
    43,676.63x = 65,540.36 × 18,374.30
  4. Step 4: Simplify right side
    43,676.63x = 1,204,258,236.75
  5. Step 5: Solve for x
    x = 1,204,258,236.75/43,676.63
  6. Step 6: Final answer
    x = 27,572.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.