Home / 54,550.82-81,800.37-18,999.74

Finding the Fourth Proportional to 54,550.82, 81,800.37 and 18,999.74

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Solution

The fourth proportional to 54,550.82, 81,800.37 and 18,999.74 is: 28,490.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,550.82 : 81,800.37 = 18,999.74 : x
  2. Step 2: Convert to fraction form
    54,550.82/81,800.37 = 18,999.74/x
  3. Step 3: Cross multiply
    54,550.82x = 81,800.37 × 18,999.74
  4. Step 4: Simplify right side
    54,550.82x = 1,554,185,352.90
  5. Step 5: Solve for x
    x = 1,554,185,352.90/54,550.82
  6. Step 6: Final answer
    x = 28,490.60

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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.