Home / 49,984.07-68,980.11-28,763.42

Finding the Fourth Proportional to 49,984.07, 68,980.11 and 28,763.42

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Solution

The fourth proportional to 49,984.07, 68,980.11 and 28,763.42 is: 39,694.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,984.07 : 68,980.11 = 28,763.42 : x
  2. Step 2: Convert to fraction form
    49,984.07/68,980.11 = 28,763.42/x
  3. Step 3: Cross multiply
    49,984.07x = 68,980.11 × 28,763.42
  4. Step 4: Simplify right side
    49,984.07x = 1,984,103,875.58
  5. Step 5: Solve for x
    x = 1,984,103,875.58/49,984.07
  6. Step 6: Final answer
    x = 39,694.72

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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.