Home / 32,940.87-49,351.15-20,436.09

Finding the Fourth Proportional to 32,940.87, 49,351.15 and 20,436.09

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Solution

The fourth proportional to 32,940.87, 49,351.15 and 20,436.09 is: 30,616.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,940.87 : 49,351.15 = 20,436.09 : x
  2. Step 2: Convert to fraction form
    32,940.87/49,351.15 = 20,436.09/x
  3. Step 3: Cross multiply
    32,940.87x = 49,351.15 × 20,436.09
  4. Step 4: Simplify right side
    32,940.87x = 1,008,544,543.00
  5. Step 5: Solve for x
    x = 1,008,544,543.00/32,940.87
  6. Step 6: Final answer
    x = 30,616.82

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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.