Home / 38,172.44-57,262.58-13,212.44

Finding the Fourth Proportional to 38,172.44, 57,262.58 and 13,212.44

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Solution

The fourth proportional to 38,172.44, 57,262.58 and 13,212.44 is: 19,820.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,172.44 : 57,262.58 = 13,212.44 : x
  2. Step 2: Convert to fraction form
    38,172.44/57,262.58 = 13,212.44/x
  3. Step 3: Cross multiply
    38,172.44x = 57,262.58 × 13,212.44
  4. Step 4: Simplify right side
    38,172.44x = 756,578,479.59
  5. Step 5: Solve for x
    x = 756,578,479.59/38,172.44
  6. Step 6: Final answer
    x = 19,820.02

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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.