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Finding the Fourth Proportional to 49,898.62, 68,829.51 and 33,990.22

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Solution

The fourth proportional to 49,898.62, 68,829.51 and 33,990.22 is: 46,885.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,898.62 : 68,829.51 = 33,990.22 : x
  2. Step 2: Convert to fraction form
    49,898.62/68,829.51 = 33,990.22/x
  3. Step 3: Cross multiply
    49,898.62x = 68,829.51 × 33,990.22
  4. Step 4: Simplify right side
    49,898.62x = 2,339,530,187.39
  5. Step 5: Solve for x
    x = 2,339,530,187.39/49,898.62
  6. Step 6: Final answer
    x = 46,885.67

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1.5x scale

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.