Home / 33,989.05-46,908.06-20,563.61

Finding the Fourth Proportional to 33,989.05, 46,908.06 and 20,563.61

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Solution

The fourth proportional to 33,989.05, 46,908.06 and 20,563.61 is: 28,379.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,989.05 : 46,908.06 = 20,563.61 : x
  2. Step 2: Convert to fraction form
    33,989.05/46,908.06 = 20,563.61/x
  3. Step 3: Cross multiply
    33,989.05x = 46,908.06 × 20,563.61
  4. Step 4: Simplify right side
    33,989.05x = 964,598,855.71
  5. Step 5: Solve for x
    x = 964,598,855.71/33,989.05
  6. Step 6: Final answer
    x = 28,379.69

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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.