Home / 54,317.10-81,512.10-32,106.90

Finding the Fourth Proportional to 54,317.10, 81,512.10 and 32,106.90

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Solution

The fourth proportional to 54,317.10, 81,512.10 and 32,106.90 is: 48,181.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,317.10 : 81,512.10 = 32,106.90 : x
  2. Step 2: Convert to fraction form
    54,317.10/81,512.10 = 32,106.90/x
  3. Step 3: Cross multiply
    54,317.10x = 81,512.10 × 32,106.90
  4. Step 4: Simplify right side
    54,317.10x = 2,617,100,843.49
  5. Step 5: Solve for x
    x = 2,617,100,843.49/54,317.10
  6. Step 6: Final answer
    x = 48,181.90

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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.