Home / 54,421.53-81,582.99-19,352.97

Finding the Fourth Proportional to 54,421.53, 81,582.99 and 19,352.97

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Solution

The fourth proportional to 54,421.53, 81,582.99 and 19,352.97 is: 29,011.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,421.53 : 81,582.99 = 19,352.97 : x
  2. Step 2: Convert to fraction form
    54,421.53/81,582.99 = 19,352.97/x
  3. Step 3: Cross multiply
    54,421.53x = 81,582.99 × 19,352.97
  4. Step 4: Simplify right side
    54,421.53x = 1,578,873,157.98
  5. Step 5: Solve for x
    x = 1,578,873,157.98/54,421.53
  6. Step 6: Final answer
    x = 29,011.92

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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.