Home / 43,604.51-65,413.37-18,644.63

Finding the Fourth Proportional to 43,604.51, 65,413.37 and 18,644.63

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Solution

The fourth proportional to 43,604.51, 65,413.37 and 18,644.63 is: 27,969.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,604.51 : 65,413.37 = 18,644.63 : x
  2. Step 2: Convert to fraction form
    43,604.51/65,413.37 = 18,644.63/x
  3. Step 3: Cross multiply
    43,604.51x = 65,413.37 × 18,644.63
  4. Step 4: Simplify right side
    43,604.51x = 1,219,607,800.25
  5. Step 5: Solve for x
    x = 1,219,607,800.25/43,604.51
  6. Step 6: Final answer
    x = 27,969.77

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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.