Home / 30,370.73-41,911.67-16,941.65

Finding the Fourth Proportional to 30,370.73, 41,911.67 and 16,941.65

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Solution

The fourth proportional to 30,370.73, 41,911.67 and 16,941.65 is: 23,379.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,370.73 : 41,911.67 = 16,941.65 : x
  2. Step 2: Convert to fraction form
    30,370.73/41,911.67 = 16,941.65/x
  3. Step 3: Cross multiply
    30,370.73x = 41,911.67 × 16,941.65
  4. Step 4: Simplify right side
    30,370.73x = 710,052,676.85
  5. Step 5: Solve for x
    x = 710,052,676.85/30,370.73
  6. Step 6: Final answer
    x = 23,379.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.