Home / 38,295.75-57,452.48-12,993.90

Finding the Fourth Proportional to 38,295.75, 57,452.48 and 12,993.90

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Solution

The fourth proportional to 38,295.75, 57,452.48 and 12,993.90 is: 19,493.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,295.75 : 57,452.48 = 12,993.90 : x
  2. Step 2: Convert to fraction form
    38,295.75/57,452.48 = 12,993.90/x
  3. Step 3: Cross multiply
    38,295.75x = 57,452.48 × 12,993.90
  4. Step 4: Simplify right side
    38,295.75x = 746,531,779.87
  5. Step 5: Solve for x
    x = 746,531,779.87/38,295.75
  6. Step 6: Final answer
    x = 19,493.85

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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.