Home / 34,318.60-51,413.10-17,621.80

Finding the Fourth Proportional to 34,318.60, 51,413.10 and 17,621.80

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Solution

The fourth proportional to 34,318.60, 51,413.10 and 17,621.80 is: 26,399.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,318.60 : 51,413.10 = 17,621.80 : x
  2. Step 2: Convert to fraction form
    34,318.60/51,413.10 = 17,621.80/x
  3. Step 3: Cross multiply
    34,318.60x = 51,413.10 × 17,621.80
  4. Step 4: Simplify right side
    34,318.60x = 905,991,365.58
  5. Step 5: Solve for x
    x = 905,991,365.58/34,318.60
  6. Step 6: Final answer
    x = 26,399.43

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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.