Home / 54,620.42-81,910.79-19,071.75

Finding the Fourth Proportional to 54,620.42, 81,910.79 and 19,071.75

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Solution

The fourth proportional to 54,620.42, 81,910.79 and 19,071.75 is: 28,600.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,620.42 : 81,910.79 = 19,071.75 : x
  2. Step 2: Convert to fraction form
    54,620.42/81,910.79 = 19,071.75/x
  3. Step 3: Cross multiply
    54,620.42x = 81,910.79 × 19,071.75
  4. Step 4: Simplify right side
    54,620.42x = 1,562,182,013.82
  5. Step 5: Solve for x
    x = 1,562,182,013.82/54,620.42
  6. Step 6: Final answer
    x = 28,600.70

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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.