Home / 33,550.40-46,292.64-20,118.08

Finding the Fourth Proportional to 33,550.40, 46,292.64 and 20,118.08

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Solution

The fourth proportional to 33,550.40, 46,292.64 and 20,118.08 is: 27,758.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,550.40 : 46,292.64 = 20,118.08 : x
  2. Step 2: Convert to fraction form
    33,550.40/46,292.64 = 20,118.08/x
  3. Step 3: Cross multiply
    33,550.40x = 46,292.64 × 20,118.08
  4. Step 4: Simplify right side
    33,550.40x = 931,319,034.93
  5. Step 5: Solve for x
    x = 931,319,034.93/33,550.40
  6. Step 6: Final answer
    x = 27,758.81

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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.