Home / 54,015.37-81,128.10-44,027.45

Finding the Fourth Proportional to 54,015.37, 81,128.10 and 44,027.45

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Solution

The fourth proportional to 54,015.37, 81,128.10 and 44,027.45 is: 66,126.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,015.37 : 81,128.10 = 44,027.45 : x
  2. Step 2: Convert to fraction form
    54,015.37/81,128.10 = 44,027.45/x
  3. Step 3: Cross multiply
    54,015.37x = 81,128.10 × 44,027.45
  4. Step 4: Simplify right side
    54,015.37x = 3,571,863,182.38
  5. Step 5: Solve for x
    x = 3,571,863,182.38/54,015.37
  6. Step 6: Final answer
    x = 66,126.79

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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.