Home / 54,124.40-81,165.83-18,579.09

Finding the Fourth Proportional to 54,124.40, 81,165.83 and 18,579.09

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Solution

The fourth proportional to 54,124.40, 81,165.83 and 18,579.09 is: 27,861.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,124.40 : 81,165.83 = 18,579.09 : x
  2. Step 2: Convert to fraction form
    54,124.40/81,165.83 = 18,579.09/x
  3. Step 3: Cross multiply
    54,124.40x = 81,165.83 × 18,579.09
  4. Step 4: Simplify right side
    54,124.40x = 1,507,987,167.60
  5. Step 5: Solve for x
    x = 1,507,987,167.60/54,124.40
  6. Step 6: Final answer
    x = 27,861.51

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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.