Home / 49,048.00-67,688.46-28,905.73

Finding the Fourth Proportional to 49,048.00, 67,688.46 and 28,905.73

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Solution

The fourth proportional to 49,048.00, 67,688.46 and 28,905.73 is: 39,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,048.00 : 67,688.46 = 28,905.73 : x
  2. Step 2: Convert to fraction form
    49,048.00/67,688.46 = 28,905.73/x
  3. Step 3: Cross multiply
    49,048.00x = 67,688.46 × 28,905.73
  4. Step 4: Simplify right side
    49,048.00x = 1,956,584,179.65
  5. Step 5: Solve for x
    x = 1,956,584,179.65/49,048.00
  6. Step 6: Final answer
    x = 39,891.21

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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.