Home / 54,441.95-81,674.46-19,381.50

Finding the Fourth Proportional to 54,441.95, 81,674.46 and 19,381.50

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Solution

The fourth proportional to 54,441.95, 81,674.46 and 19,381.50 is: 29,076.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,441.95 : 81,674.46 = 19,381.50 : x
  2. Step 2: Convert to fraction form
    54,441.95/81,674.46 = 19,381.50/x
  3. Step 3: Cross multiply
    54,441.95x = 81,674.46 × 19,381.50
  4. Step 4: Simplify right side
    54,441.95x = 1,582,973,546.49
  5. Step 5: Solve for x
    x = 1,582,973,546.49/54,441.95
  6. Step 6: Final answer
    x = 29,076.36

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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.