Home / 45,358.08-68,042.24-19,057.92

Finding the Fourth Proportional to 45,358.08, 68,042.24 and 19,057.92

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Solution

The fourth proportional to 45,358.08, 68,042.24 and 19,057.92 is: 28,589.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,358.08 : 68,042.24 = 19,057.92 : x
  2. Step 2: Convert to fraction form
    45,358.08/68,042.24 = 19,057.92/x
  3. Step 3: Cross multiply
    45,358.08x = 68,042.24 × 19,057.92
  4. Step 4: Simplify right side
    45,358.08x = 1,296,743,566.54
  5. Step 5: Solve for x
    x = 1,296,743,566.54/45,358.08
  6. Step 6: Final answer
    x = 28,589.03

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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.