Home / 54,098.20-81,147.30-40,976.20

Finding the Fourth Proportional to 54,098.20, 81,147.30 and 40,976.20

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Solution

The fourth proportional to 54,098.20, 81,147.30 and 40,976.20 is: 61,464.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,098.20 : 81,147.30 = 40,976.20 : x
  2. Step 2: Convert to fraction form
    54,098.20/81,147.30 = 40,976.20/x
  3. Step 3: Cross multiply
    54,098.20x = 81,147.30 × 40,976.20
  4. Step 4: Simplify right side
    54,098.20x = 3,325,107,994.26
  5. Step 5: Solve for x
    x = 3,325,107,994.26/54,098.20
  6. Step 6: Final answer
    x = 61,464.30

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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.