Home / 45,291.83-67,868.46-18,982.22

Finding the Fourth Proportional to 45,291.83, 67,868.46 and 18,982.22

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Solution

The fourth proportional to 45,291.83, 67,868.46 and 18,982.22 is: 28,444.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,291.83 : 67,868.46 = 18,982.22 : x
  2. Step 2: Convert to fraction form
    45,291.83/67,868.46 = 18,982.22/x
  3. Step 3: Cross multiply
    45,291.83x = 67,868.46 × 18,982.22
  4. Step 4: Simplify right side
    45,291.83x = 1,288,293,699.44
  5. Step 5: Solve for x
    x = 1,288,293,699.44/45,291.83
  6. Step 6: Final answer
    x = 28,444.29

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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.