Home / 54,635.87-81,968.39-19,579.07

Finding the Fourth Proportional to 54,635.87, 81,968.39 and 19,579.07

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Solution

The fourth proportional to 54,635.87, 81,968.39 and 19,579.07 is: 29,373.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,635.87 : 81,968.39 = 19,579.07 : x
  2. Step 2: Convert to fraction form
    54,635.87/81,968.39 = 19,579.07/x
  3. Step 3: Cross multiply
    54,635.87x = 81,968.39 × 19,579.07
  4. Step 4: Simplify right side
    54,635.87x = 1,604,865,099.47
  5. Step 5: Solve for x
    x = 1,604,865,099.47/54,635.87
  6. Step 6: Final answer
    x = 29,373.83

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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.