Home / 54,993.40-82,490.10-40,996.60

Finding the Fourth Proportional to 54,993.40, 82,490.10 and 40,996.60

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Solution

The fourth proportional to 54,993.40, 82,490.10 and 40,996.60 is: 61,494.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,993.40 : 82,490.10 = 40,996.60 : x
  2. Step 2: Convert to fraction form
    54,993.40/82,490.10 = 40,996.60/x
  3. Step 3: Cross multiply
    54,993.40x = 82,490.10 × 40,996.60
  4. Step 4: Simplify right side
    54,993.40x = 3,381,813,633.66
  5. Step 5: Solve for x
    x = 3,381,813,633.66/54,993.40
  6. Step 6: Final answer
    x = 61,494.90

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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.