Home / 69,209.89-103,814.84-16,619.38

Finding the Fourth Proportional to 69,209.89, 103,814.84 and 16,619.38

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Solution

The fourth proportional to 69,209.89, 103,814.84 and 16,619.38 is: 24,929.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,209.89 : 103,814.84 = 16,619.38 : x
  2. Step 2: Convert to fraction form
    69,209.89/103,814.84 = 16,619.38/x
  3. Step 3: Cross multiply
    69,209.89x = 103,814.84 × 16,619.38
  4. Step 4: Simplify right side
    69,209.89x = 1,725,338,010.87
  5. Step 5: Solve for x
    x = 1,725,338,010.87/69,209.89
  6. Step 6: Final answer
    x = 24,929.07

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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.