Home / 39,942.14-55,120.49-22,038.35

Finding the Fourth Proportional to 39,942.14, 55,120.49 and 22,038.35

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Solution

The fourth proportional to 39,942.14, 55,120.49 and 22,038.35 is: 30,413.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.14 : 55,120.49 = 22,038.35 : x
  2. Step 2: Convert to fraction form
    39,942.14/55,120.49 = 22,038.35/x
  3. Step 3: Cross multiply
    39,942.14x = 55,120.49 × 22,038.35
  4. Step 4: Simplify right side
    39,942.14x = 1,214,764,781.73
  5. Step 5: Solve for x
    x = 1,214,764,781.73/39,942.14
  6. Step 6: Final answer
    x = 30,413.11

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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.