Home / 49,021.53-67,209.08-48,135.79

Finding the Fourth Proportional to 49,021.53, 67,209.08 and 48,135.79

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Solution

The fourth proportional to 49,021.53, 67,209.08 and 48,135.79 is: 65,994.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,021.53 : 67,209.08 = 48,135.79 : x
  2. Step 2: Convert to fraction form
    49,021.53/67,209.08 = 48,135.79/x
  3. Step 3: Cross multiply
    49,021.53x = 67,209.08 × 48,135.79
  4. Step 4: Simplify right side
    49,021.53x = 3,235,162,160.97
  5. Step 5: Solve for x
    x = 3,235,162,160.97/49,021.53
  6. Step 6: Final answer
    x = 65,994.72

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.