Home / 45,738.30-68,605.39-19,073.31

Finding the Fourth Proportional to 45,738.30, 68,605.39 and 19,073.31

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Solution

The fourth proportional to 45,738.30, 68,605.39 and 19,073.31 is: 28,609.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,738.30 : 68,605.39 = 19,073.31 : x
  2. Step 2: Convert to fraction form
    45,738.30/68,605.39 = 19,073.31/x
  3. Step 3: Cross multiply
    45,738.30x = 68,605.39 × 19,073.31
  4. Step 4: Simplify right side
    45,738.30x = 1,308,531,871.14
  5. Step 5: Solve for x
    x = 1,308,531,871.14/45,738.30
  6. Step 6: Final answer
    x = 28,609.11

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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.