Home / 33,455.45-46,128.21-28,909.91

Finding the Fourth Proportional to 33,455.45, 46,128.21 and 28,909.91

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Solution

The fourth proportional to 33,455.45, 46,128.21 and 28,909.91 is: 39,860.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,455.45 : 46,128.21 = 28,909.91 : x
  2. Step 2: Convert to fraction form
    33,455.45/46,128.21 = 28,909.91/x
  3. Step 3: Cross multiply
    33,455.45x = 46,128.21 × 28,909.91
  4. Step 4: Simplify right side
    33,455.45x = 1,333,562,399.56
  5. Step 5: Solve for x
    x = 1,333,562,399.56/33,455.45
  6. Step 6: Final answer
    x = 39,860.84

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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.