Home / 45,494.43-68,279.99-19,218.03

Finding the Fourth Proportional to 45,494.43, 68,279.99 and 19,218.03

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Solution

The fourth proportional to 45,494.43, 68,279.99 and 19,218.03 is: 28,843.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,494.43 : 68,279.99 = 19,218.03 : x
  2. Step 2: Convert to fraction form
    45,494.43/68,279.99 = 19,218.03/x
  3. Step 3: Cross multiply
    45,494.43x = 68,279.99 × 19,218.03
  4. Step 4: Simplify right side
    45,494.43x = 1,312,206,800.13
  5. Step 5: Solve for x
    x = 1,312,206,800.13/45,494.43
  6. Step 6: Final answer
    x = 28,843.24

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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.