Home / 31,589.96-47,413.60-16,811.32

Finding the Fourth Proportional to 31,589.96, 47,413.60 and 16,811.32

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Solution

The fourth proportional to 31,589.96, 47,413.60 and 16,811.32 is: 25,232.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,589.96 : 47,413.60 = 16,811.32 : x
  2. Step 2: Convert to fraction form
    31,589.96/47,413.60 = 16,811.32/x
  3. Step 3: Cross multiply
    31,589.96x = 47,413.60 × 16,811.32
  4. Step 4: Simplify right side
    31,589.96x = 797,085,201.95
  5. Step 5: Solve for x
    x = 797,085,201.95/31,589.96
  6. Step 6: Final answer
    x = 25,232.23

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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.