Home / 54,677.18-82,019.82-19,617.14

Finding the Fourth Proportional to 54,677.18, 82,019.82 and 19,617.14

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Solution

The fourth proportional to 54,677.18, 82,019.82 and 19,617.14 is: 29,427.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,677.18 : 82,019.82 = 19,617.14 : x
  2. Step 2: Convert to fraction form
    54,677.18/82,019.82 = 19,617.14/x
  3. Step 3: Cross multiply
    54,677.18x = 82,019.82 × 19,617.14
  4. Step 4: Simplify right side
    54,677.18x = 1,608,994,291.71
  5. Step 5: Solve for x
    x = 1,608,994,291.71/54,677.18
  6. Step 6: Final answer
    x = 29,427.16

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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.