Home / 30,698.90-46,053.24-13,168.88

Finding the Fourth Proportional to 30,698.90, 46,053.24 and 13,168.88

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Solution

The fourth proportional to 30,698.90, 46,053.24 and 13,168.88 is: 19,755.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,698.90 : 46,053.24 = 13,168.88 : x
  2. Step 2: Convert to fraction form
    30,698.90/46,053.24 = 13,168.88/x
  3. Step 3: Cross multiply
    30,698.90x = 46,053.24 × 13,168.88
  4. Step 4: Simplify right side
    30,698.90x = 606,469,591.17
  5. Step 5: Solve for x
    x = 606,469,591.17/30,698.90
  6. Step 6: Final answer
    x = 19,755.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.