Home / 49,821.28-68,750.91-28,308.22

Finding the Fourth Proportional to 49,821.28, 68,750.91 and 28,308.22

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Solution

The fourth proportional to 49,821.28, 68,750.91 and 28,308.22 is: 39,063.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,821.28 : 68,750.91 = 28,308.22 : x
  2. Step 2: Convert to fraction form
    49,821.28/68,750.91 = 28,308.22/x
  3. Step 3: Cross multiply
    49,821.28x = 68,750.91 × 28,308.22
  4. Step 4: Simplify right side
    49,821.28x = 1,946,215,713.60
  5. Step 5: Solve for x
    x = 1,946,215,713.60/49,821.28
  6. Step 6: Final answer
    x = 39,063.95

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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.