Home / 68,949.67-103,430.46-19,029.77

Finding the Fourth Proportional to 68,949.67, 103,430.46 and 19,029.77

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Solution

The fourth proportional to 68,949.67, 103,430.46 and 19,029.77 is: 28,546.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,949.67 : 103,430.46 = 19,029.77 : x
  2. Step 2: Convert to fraction form
    68,949.67/103,430.46 = 19,029.77/x
  3. Step 3: Cross multiply
    68,949.67x = 103,430.46 × 19,029.77
  4. Step 4: Simplify right side
    68,949.67x = 1,968,257,864.79
  5. Step 5: Solve for x
    x = 1,968,257,864.79/68,949.67
  6. Step 6: Final answer
    x = 28,546.30

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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.