Home / 38,453.22-57,679.46-12,157.96

Finding the Fourth Proportional to 38,453.22, 57,679.46 and 12,157.96

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Solution

The fourth proportional to 38,453.22, 57,679.46 and 12,157.96 is: 18,236.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,453.22 : 57,679.46 = 12,157.96 : x
  2. Step 2: Convert to fraction form
    38,453.22/57,679.46 = 12,157.96/x
  3. Step 3: Cross multiply
    38,453.22x = 57,679.46 × 12,157.96
  4. Step 4: Simplify right side
    38,453.22x = 701,264,567.50
  5. Step 5: Solve for x
    x = 701,264,567.50/38,453.22
  6. Step 6: Final answer
    x = 18,236.82

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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.