Home / 49,988.52-68,986.68-28,770.84

Finding the Fourth Proportional to 49,988.52, 68,986.68 and 28,770.84

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Solution

The fourth proportional to 49,988.52, 68,986.68 and 28,770.84 is: 39,705.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,988.52 : 68,986.68 = 28,770.84 : x
  2. Step 2: Convert to fraction form
    49,988.52/68,986.68 = 28,770.84/x
  3. Step 3: Cross multiply
    49,988.52x = 68,986.68 × 28,770.84
  4. Step 4: Simplify right side
    49,988.52x = 1,984,804,732.41
  5. Step 5: Solve for x
    x = 1,984,804,732.41/49,988.52
  6. Step 6: Final answer
    x = 39,705.21

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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.