Home / 49,932.21-68,908.50-28,711.48

Finding the Fourth Proportional to 49,932.21, 68,908.50 and 28,711.48

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Solution

The fourth proportional to 49,932.21, 68,908.50 and 28,711.48 is: 39,623.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,932.21 : 68,908.50 = 28,711.48 : x
  2. Step 2: Convert to fraction form
    49,932.21/68,908.50 = 28,711.48/x
  3. Step 3: Cross multiply
    49,932.21x = 68,908.50 × 28,711.48
  4. Step 4: Simplify right side
    49,932.21x = 1,978,464,823.08
  5. Step 5: Solve for x
    x = 1,978,464,823.08/49,932.21
  6. Step 6: Final answer
    x = 39,623.02

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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.