Home / 31,306.21-43,202.48-16,966.44

Finding the Fourth Proportional to 31,306.21, 43,202.48 and 16,966.44

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Solution

The fourth proportional to 31,306.21, 43,202.48 and 16,966.44 is: 23,413.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.21 : 43,202.48 = 16,966.44 : x
  2. Step 2: Convert to fraction form
    31,306.21/43,202.48 = 16,966.44/x
  3. Step 3: Cross multiply
    31,306.21x = 43,202.48 × 16,966.44
  4. Step 4: Simplify right side
    31,306.21x = 732,992,284.77
  5. Step 5: Solve for x
    x = 732,992,284.77/31,306.21
  6. Step 6: Final answer
    x = 23,413.64

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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.