Home / 49,986.04-68,983.76-28,764.84

Finding the Fourth Proportional to 49,986.04, 68,983.76 and 28,764.84

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Solution

The fourth proportional to 49,986.04, 68,983.76 and 28,764.84 is: 39,697.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,986.04 : 68,983.76 = 28,764.84 : x
  2. Step 2: Convert to fraction form
    49,986.04/68,983.76 = 28,764.84/x
  3. Step 3: Cross multiply
    49,986.04x = 68,983.76 × 28,764.84
  4. Step 4: Simplify right side
    49,986.04x = 1,984,306,819.00
  5. Step 5: Solve for x
    x = 1,984,306,819.00/49,986.04
  6. Step 6: Final answer
    x = 39,697.22

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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.