Home / 31,459.08-43,413.66-17,311.98

Finding the Fourth Proportional to 31,459.08, 43,413.66 and 17,311.98

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Solution

The fourth proportional to 31,459.08, 43,413.66 and 17,311.98 is: 23,890.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,459.08 : 43,413.66 = 17,311.98 : x
  2. Step 2: Convert to fraction form
    31,459.08/43,413.66 = 17,311.98/x
  3. Step 3: Cross multiply
    31,459.08x = 43,413.66 × 17,311.98
  4. Step 4: Simplify right side
    31,459.08x = 751,576,413.65
  5. Step 5: Solve for x
    x = 751,576,413.65/31,459.08
  6. Step 6: Final answer
    x = 23,890.60

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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.