Home / 39,943.23-55,121.22-22,038.99

Finding the Fourth Proportional to 39,943.23, 55,121.22 and 22,038.99

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Solution

The fourth proportional to 39,943.23, 55,121.22 and 22,038.99 is: 30,413.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.23 : 55,121.22 = 22,038.99 : x
  2. Step 2: Convert to fraction form
    39,943.23/55,121.22 = 22,038.99/x
  3. Step 3: Cross multiply
    39,943.23x = 55,121.22 × 22,038.99
  4. Step 4: Simplify right side
    39,943.23x = 1,214,816,016.37
  5. Step 5: Solve for x
    x = 1,214,816,016.37/39,943.23
  6. Step 6: Final answer
    x = 30,413.56

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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.