Home / 45,285.26-67,906.04-18,982.94

Finding the Fourth Proportional to 45,285.26, 67,906.04 and 18,982.94

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Solution

The fourth proportional to 45,285.26, 67,906.04 and 18,982.94 is: 28,465.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,285.26 : 67,906.04 = 18,982.94 : x
  2. Step 2: Convert to fraction form
    45,285.26/67,906.04 = 18,982.94/x
  3. Step 3: Cross multiply
    45,285.26x = 67,906.04 × 18,982.94
  4. Step 4: Simplify right side
    45,285.26x = 1,289,055,848.51
  5. Step 5: Solve for x
    x = 1,289,055,848.51/45,285.26
  6. Step 6: Final answer
    x = 28,465.24

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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.