Home / 30,236.31-41,729.56-16,808.90

Finding the Fourth Proportional to 30,236.31, 41,729.56 and 16,808.90

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Solution

The fourth proportional to 30,236.31, 41,729.56 and 16,808.90 is: 23,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.31 : 41,729.56 = 16,808.90 : x
  2. Step 2: Convert to fraction form
    30,236.31/41,729.56 = 16,808.90/x
  3. Step 3: Cross multiply
    30,236.31x = 41,729.56 × 16,808.90
  4. Step 4: Simplify right side
    30,236.31x = 701,427,750.41
  5. Step 5: Solve for x
    x = 701,427,750.41/30,236.31
  6. Step 6: Final answer
    x = 23,198.19

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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.