Home / 33,145.51-45,740.15-18,410.85

Finding the Fourth Proportional to 33,145.51, 45,740.15 and 18,410.85

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Solution

The fourth proportional to 33,145.51, 45,740.15 and 18,410.85 is: 25,406.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,145.51 : 45,740.15 = 18,410.85 : x
  2. Step 2: Convert to fraction form
    33,145.51/45,740.15 = 18,410.85/x
  3. Step 3: Cross multiply
    33,145.51x = 45,740.15 × 18,410.85
  4. Step 4: Simplify right side
    33,145.51x = 842,114,949.65
  5. Step 5: Solve for x
    x = 842,114,949.65/33,145.51
  6. Step 6: Final answer
    x = 25,406.61

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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.