Home / 49,705.26-68,594.90-28,488.60

Finding the Fourth Proportional to 49,705.26, 68,594.90 and 28,488.60

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Solution

The fourth proportional to 49,705.26, 68,594.90 and 28,488.60 is: 39,315.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,705.26 : 68,594.90 = 28,488.60 : x
  2. Step 2: Convert to fraction form
    49,705.26/68,594.90 = 28,488.60/x
  3. Step 3: Cross multiply
    49,705.26x = 68,594.90 × 28,488.60
  4. Step 4: Simplify right side
    49,705.26x = 1,954,172,668.14
  5. Step 5: Solve for x
    x = 1,954,172,668.14/49,705.26
  6. Step 6: Final answer
    x = 39,315.21

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.