Home / 54,353-81,541.20-16,912.28

Finding the Fourth Proportional to 54,353, 81,541.20 and 16,912.28

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Solution

The fourth proportional to 54,353, 81,541.20 and 16,912.28 is: 25,372.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,353 : 81,541.20 = 16,912.28 : x
  2. Step 2: Convert to fraction form
    54,353/81,541.20 = 16,912.28/x
  3. Step 3: Cross multiply
    54,353x = 81,541.20 × 16,912.28
  4. Step 4: Simplify right side
    54,353x = 1,379,047,605.94
  5. Step 5: Solve for x
    x = 1,379,047,605.94/54,353
  6. Step 6: Final answer
    x = 25,372.06

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.