Home / 54,004.56-81,003.24-25,944.72

Finding the Fourth Proportional to 54,004.56, 81,003.24 and 25,944.72

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Solution

The fourth proportional to 54,004.56, 81,003.24 and 25,944.72 is: 38,915.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,004.56 : 81,003.24 = 25,944.72 : x
  2. Step 2: Convert to fraction form
    54,004.56/81,003.24 = 25,944.72/x
  3. Step 3: Cross multiply
    54,004.56x = 81,003.24 × 25,944.72
  4. Step 4: Simplify right side
    54,004.56x = 2,101,606,380.89
  5. Step 5: Solve for x
    x = 2,101,606,380.89/54,004.56
  6. Step 6: Final answer
    x = 38,915.35

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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.