Home / 54,036.92-81,037.88-18,003.80

Finding the Fourth Proportional to 54,036.92, 81,037.88 and 18,003.80

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Solution

The fourth proportional to 54,036.92, 81,037.88 and 18,003.80 is: 26,999.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,036.92 : 81,037.88 = 18,003.80 : x
  2. Step 2: Convert to fraction form
    54,036.92/81,037.88 = 18,003.80/x
  3. Step 3: Cross multiply
    54,036.92x = 81,037.88 × 18,003.80
  4. Step 4: Simplify right side
    54,036.92x = 1,458,989,783.94
  5. Step 5: Solve for x
    x = 1,458,989,783.94/54,036.92
  6. Step 6: Final answer
    x = 26,999.87

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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.