Home / 39,942.46-55,120.44-22,038.58

Finding the Fourth Proportional to 39,942.46, 55,120.44 and 22,038.58

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Solution

The fourth proportional to 39,942.46, 55,120.44 and 22,038.58 is: 30,413.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,942.46 : 55,120.44 = 22,038.58 : x
  2. Step 2: Convert to fraction form
    39,942.46/55,120.44 = 22,038.58/x
  3. Step 3: Cross multiply
    39,942.46x = 55,120.44 × 22,038.58
  4. Step 4: Simplify right side
    39,942.46x = 1,214,776,226.58
  5. Step 5: Solve for x
    x = 1,214,776,226.58/39,942.46
  6. Step 6: Final answer
    x = 30,413.15

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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.