Home / 30,309.35-41,828.19-16,880.60

Finding the Fourth Proportional to 30,309.35, 41,828.19 and 16,880.60

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Solution

The fourth proportional to 30,309.35, 41,828.19 and 16,880.60 is: 23,295.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.35 : 41,828.19 = 16,880.60 : x
  2. Step 2: Convert to fraction form
    30,309.35/41,828.19 = 16,880.60/x
  3. Step 3: Cross multiply
    30,309.35x = 41,828.19 × 16,880.60
  4. Step 4: Simplify right side
    30,309.35x = 706,085,111.99
  5. Step 5: Solve for x
    x = 706,085,111.99/30,309.35
  6. Step 6: Final answer
    x = 23,295.95

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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.