Home / 33,109.14-49,699.08-13,400.58

Finding the Fourth Proportional to 33,109.14, 49,699.08 and 13,400.58

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Solution

The fourth proportional to 33,109.14, 49,699.08 and 13,400.58 is: 20,115.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,109.14 : 49,699.08 = 13,400.58 : x
  2. Step 2: Convert to fraction form
    33,109.14/49,699.08 = 13,400.58/x
  3. Step 3: Cross multiply
    33,109.14x = 49,699.08 × 13,400.58
  4. Step 4: Simplify right side
    33,109.14x = 665,996,497.47
  5. Step 5: Solve for x
    x = 665,996,497.47/33,109.14
  6. Step 6: Final answer
    x = 20,115.19

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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.