Home / 30,255.73-41,749.70-16,824.82

Finding the Fourth Proportional to 30,255.73, 41,749.70 and 16,824.82

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Solution

The fourth proportional to 30,255.73, 41,749.70 and 16,824.82 is: 23,216.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,255.73 : 41,749.70 = 16,824.82 : x
  2. Step 2: Convert to fraction form
    30,255.73/41,749.70 = 16,824.82/x
  3. Step 3: Cross multiply
    30,255.73x = 41,749.70 × 16,824.82
  4. Step 4: Simplify right side
    30,255.73x = 702,431,187.55
  5. Step 5: Solve for x
    x = 702,431,187.55/30,255.73
  6. Step 6: Final answer
    x = 23,216.47

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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.