Home / 30,236.31-41,729.51-16,808.85

Finding the Fourth Proportional to 30,236.31, 41,729.51 and 16,808.85

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Solution

The fourth proportional to 30,236.31, 41,729.51 and 16,808.85 is: 23,198.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,236.31 : 41,729.51 = 16,808.85 : x
  2. Step 2: Convert to fraction form
    30,236.31/41,729.51 = 16,808.85/x
  3. Step 3: Cross multiply
    30,236.31x = 41,729.51 × 16,808.85
  4. Step 4: Simplify right side
    30,236.31x = 701,424,990.12
  5. Step 5: Solve for x
    x = 701,424,990.12/30,236.31
  6. Step 6: Final answer
    x = 23,198.10

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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.