Home / 49,986.56-68,981.52-28,765.44

Finding the Fourth Proportional to 49,986.56, 68,981.52 and 28,765.44

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Solution

The fourth proportional to 49,986.56, 68,981.52 and 28,765.44 is: 39,696.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.56 : 68,981.52 = 28,765.44 : x
  2. Step 2: Convert to fraction form
    49,986.56/68,981.52 = 28,765.44/x
  3. Step 3: Cross multiply
    49,986.56x = 68,981.52 × 28,765.44
  4. Step 4: Simplify right side
    49,986.56x = 1,984,283,774.67
  5. Step 5: Solve for x
    x = 1,984,283,774.67/49,986.56
  6. Step 6: Final answer
    x = 39,696.35

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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.