Home / 30,740.82-46,115.25-11,021.58

Finding the Fourth Proportional to 30,740.82, 46,115.25 and 11,021.58

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Solution

The fourth proportional to 30,740.82, 46,115.25 and 11,021.58 is: 16,533.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,740.82 : 46,115.25 = 11,021.58 : x
  2. Step 2: Convert to fraction form
    30,740.82/46,115.25 = 11,021.58/x
  3. Step 3: Cross multiply
    30,740.82x = 46,115.25 × 11,021.58
  4. Step 4: Simplify right side
    30,740.82x = 508,262,917.10
  5. Step 5: Solve for x
    x = 508,262,917.10/30,740.82
  6. Step 6: Final answer
    x = 16,533.81

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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.