Home / 51,205.11-76,791.06-19,613.49

Finding the Fourth Proportional to 51,205.11, 76,791.06 and 19,613.49

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Solution

The fourth proportional to 51,205.11, 76,791.06 and 19,613.49 is: 29,413.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,205.11 : 76,791.06 = 19,613.49 : x
  2. Step 2: Convert to fraction form
    51,205.11/76,791.06 = 19,613.49/x
  3. Step 3: Cross multiply
    51,205.11x = 76,791.06 × 19,613.49
  4. Step 4: Simplify right side
    51,205.11x = 1,506,140,589.33
  5. Step 5: Solve for x
    x = 1,506,140,589.33/51,205.11
  6. Step 6: Final answer
    x = 29,413.87

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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.