Home / 49,867.05-68,828.34-28,658.61

Finding the Fourth Proportional to 49,867.05, 68,828.34 and 28,658.61

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Solution

The fourth proportional to 49,867.05, 68,828.34 and 28,658.61 is: 39,555.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,867.05 : 68,828.34 = 28,658.61 : x
  2. Step 2: Convert to fraction form
    49,867.05/68,828.34 = 28,658.61/x
  3. Step 3: Cross multiply
    49,867.05x = 68,828.34 × 28,658.61
  4. Step 4: Simplify right side
    49,867.05x = 1,972,524,553.01
  5. Step 5: Solve for x
    x = 1,972,524,553.01/49,867.05
  6. Step 6: Final answer
    x = 39,555.67

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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.