Home / 30,880.44-46,382.76-18,424.80

Finding the Fourth Proportional to 30,880.44, 46,382.76 and 18,424.80

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Solution

The fourth proportional to 30,880.44, 46,382.76 and 18,424.80 is: 27,674.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.44 : 46,382.76 = 18,424.80 : x
  2. Step 2: Convert to fraction form
    30,880.44/46,382.76 = 18,424.80/x
  3. Step 3: Cross multiply
    30,880.44x = 46,382.76 × 18,424.80
  4. Step 4: Simplify right side
    30,880.44x = 854,593,076.45
  5. Step 5: Solve for x
    x = 854,593,076.45/30,880.44
  6. Step 6: Final answer
    x = 27,674.25

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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.