Home / 30,309.54-41,828.45-16,880.79

Finding the Fourth Proportional to 30,309.54, 41,828.45 and 16,880.79

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Solution

The fourth proportional to 30,309.54, 41,828.45 and 16,880.79 is: 23,296.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,309.54 : 41,828.45 = 16,880.79 : x
  2. Step 2: Convert to fraction form
    30,309.54/41,828.45 = 16,880.79/x
  3. Step 3: Cross multiply
    30,309.54x = 41,828.45 × 16,880.79
  4. Step 4: Simplify right side
    30,309.54x = 706,097,212.60
  5. Step 5: Solve for x
    x = 706,097,212.60/30,309.54
  6. Step 6: Final answer
    x = 23,296.21

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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.