Home / 31,834.48-43,937.00-18,413.90

Finding the Fourth Proportional to 31,834.48, 43,937.00 and 18,413.90

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Solution

The fourth proportional to 31,834.48, 43,937.00 and 18,413.90 is: 25,414.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,834.48 : 43,937.00 = 18,413.90 : x
  2. Step 2: Convert to fraction form
    31,834.48/43,937.00 = 18,413.90/x
  3. Step 3: Cross multiply
    31,834.48x = 43,937.00 × 18,413.90
  4. Step 4: Simplify right side
    31,834.48x = 809,051,258.58
  5. Step 5: Solve for x
    x = 809,051,258.58/31,834.48
  6. Step 6: Final answer
    x = 25,414.31

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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.