Home / 38,519.67-57,779.31-12,226.44

Finding the Fourth Proportional to 38,519.67, 57,779.31 and 12,226.44

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Solution

The fourth proportional to 38,519.67, 57,779.31 and 12,226.44 is: 18,339.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,519.67 : 57,779.31 = 12,226.44 : x
  2. Step 2: Convert to fraction form
    38,519.67/57,779.31 = 12,226.44/x
  3. Step 3: Cross multiply
    38,519.67x = 57,779.31 × 12,226.44
  4. Step 4: Simplify right side
    38,519.67x = 706,435,266.96
  5. Step 5: Solve for x
    x = 706,435,266.96/38,519.67
  6. Step 6: Final answer
    x = 18,339.60

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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.