Home / 54,562.64-81,809-26,087.84

Finding the Fourth Proportional to 54,562.64, 81,809 and 26,087.84

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Solution

The fourth proportional to 54,562.64, 81,809 and 26,087.84 is: 39,115.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,562.64 : 81,809 = 26,087.84 : x
  2. Step 2: Convert to fraction form
    54,562.64/81,809 = 26,087.84/x
  3. Step 3: Cross multiply
    54,562.64x = 81,809 × 26,087.84
  4. Step 4: Simplify right side
    54,562.64x = 2,134,220,102.56
  5. Step 5: Solve for x
    x = 2,134,220,102.56/54,562.64
  6. Step 6: Final answer
    x = 39,115.04

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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.