Home / 54,507.40-81,747.06-19,441.96

Finding the Fourth Proportional to 54,507.40, 81,747.06 and 19,441.96

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Solution

The fourth proportional to 54,507.40, 81,747.06 and 19,441.96 is: 29,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,507.40 : 81,747.06 = 19,441.96 : x
  2. Step 2: Convert to fraction form
    54,507.40/81,747.06 = 19,441.96/x
  3. Step 3: Cross multiply
    54,507.40x = 81,747.06 × 19,441.96
  4. Step 4: Simplify right side
    54,507.40x = 1,589,323,070.64
  5. Step 5: Solve for x
    x = 1,589,323,070.64/54,507.40
  6. Step 6: Final answer
    x = 29,157.93

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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.