Home / 45,615.24-68,429.88-19,326.96

Finding the Fourth Proportional to 45,615.24, 68,429.88 and 19,326.96

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Solution

The fourth proportional to 45,615.24, 68,429.88 and 19,326.96 is: 28,993.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,615.24 : 68,429.88 = 19,326.96 : x
  2. Step 2: Convert to fraction form
    45,615.24/68,429.88 = 19,326.96/x
  3. Step 3: Cross multiply
    45,615.24x = 68,429.88 × 19,326.96
  4. Step 4: Simplify right side
    45,615.24x = 1,322,541,553.56
  5. Step 5: Solve for x
    x = 1,322,541,553.56/45,615.24
  6. Step 6: Final answer
    x = 28,993.41

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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.