Home / 43,413.07-65,126.87-13,839.97

Finding the Fourth Proportional to 43,413.07, 65,126.87 and 13,839.97

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Solution

The fourth proportional to 43,413.07, 65,126.87 and 13,839.97 is: 20,762.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,413.07 : 65,126.87 = 13,839.97 : x
  2. Step 2: Convert to fraction form
    43,413.07/65,126.87 = 13,839.97/x
  3. Step 3: Cross multiply
    43,413.07x = 65,126.87 × 13,839.97
  4. Step 4: Simplify right side
    43,413.07x = 901,353,926.99
  5. Step 5: Solve for x
    x = 901,353,926.99/43,413.07
  6. Step 6: Final answer
    x = 20,762.27

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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.