Home / 40,185.40-55,456.26-22,280.68

Finding the Fourth Proportional to 40,185.40, 55,456.26 and 22,280.68

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Solution

The fourth proportional to 40,185.40, 55,456.26 and 22,280.68 is: 30,747.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,185.40 : 55,456.26 = 22,280.68 : x
  2. Step 2: Convert to fraction form
    40,185.40/55,456.26 = 22,280.68/x
  3. Step 3: Cross multiply
    40,185.40x = 55,456.26 × 22,280.68
  4. Step 4: Simplify right side
    40,185.40x = 1,235,603,183.06
  5. Step 5: Solve for x
    x = 1,235,603,183.06/40,185.40
  6. Step 6: Final answer
    x = 30,747.56

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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.