Home / 55,676.10-83,517.48-18,240.12

Finding the Fourth Proportional to 55,676.10, 83,517.48 and 18,240.12

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Solution

The fourth proportional to 55,676.10, 83,517.48 and 18,240.12 is: 27,361.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,676.10 : 83,517.48 = 18,240.12 : x
  2. Step 2: Convert to fraction form
    55,676.10/83,517.48 = 18,240.12/x
  3. Step 3: Cross multiply
    55,676.10x = 83,517.48 × 18,240.12
  4. Step 4: Simplify right side
    55,676.10x = 1,523,368,857.30
  5. Step 5: Solve for x
    x = 1,523,368,857.30/55,676.10
  6. Step 6: Final answer
    x = 27,361.27

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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.