Home / 55,451.26-76,524.32-30,922.64

Finding the Fourth Proportional to 55,451.26, 76,524.32 and 30,922.64

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Solution

The fourth proportional to 55,451.26, 76,524.32 and 30,922.64 is: 42,674.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,451.26 : 76,524.32 = 30,922.64 : x
  2. Step 2: Convert to fraction form
    55,451.26/76,524.32 = 30,922.64/x
  3. Step 3: Cross multiply
    55,451.26x = 76,524.32 × 30,922.64
  4. Step 4: Simplify right side
    55,451.26x = 2,366,333,843.99
  5. Step 5: Solve for x
    x = 2,366,333,843.99/55,451.26
  6. Step 6: Final answer
    x = 42,674.13

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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.