Home / 38,642.55-57,968.68-13,676.73

Finding the Fourth Proportional to 38,642.55, 57,968.68 and 13,676.73

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Solution

The fourth proportional to 38,642.55, 57,968.68 and 13,676.73 is: 20,516.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,642.55 : 57,968.68 = 13,676.73 : x
  2. Step 2: Convert to fraction form
    38,642.55/57,968.68 = 13,676.73/x
  3. Step 3: Cross multiply
    38,642.55x = 57,968.68 × 13,676.73
  4. Step 4: Simplify right side
    38,642.55x = 792,821,984.82
  5. Step 5: Solve for x
    x = 792,821,984.82/38,642.55
  6. Step 6: Final answer
    x = 20,516.81

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1.5x scale

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.