Home / 32,979.20-49,448.75-12,964.73

Finding the Fourth Proportional to 32,979.20, 49,448.75 and 12,964.73

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Solution

The fourth proportional to 32,979.20, 49,448.75 and 12,964.73 is: 19,439.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,979.20 : 49,448.75 = 12,964.73 : x
  2. Step 2: Convert to fraction form
    32,979.20/49,448.75 = 12,964.73/x
  3. Step 3: Cross multiply
    32,979.20x = 49,448.75 × 12,964.73
  4. Step 4: Simplify right side
    32,979.20x = 641,089,380.52
  5. Step 5: Solve for x
    x = 641,089,380.52/32,979.20
  6. Step 6: Final answer
    x = 19,439.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.