Home / 38,491.36-57,738.56-12,196.08

Finding the Fourth Proportional to 38,491.36, 57,738.56 and 12,196.08

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Solution

The fourth proportional to 38,491.36, 57,738.56 and 12,196.08 is: 18,294.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,491.36 : 57,738.56 = 12,196.08 : x
  2. Step 2: Convert to fraction form
    38,491.36/57,738.56 = 12,196.08/x
  3. Step 3: Cross multiply
    38,491.36x = 57,738.56 × 12,196.08
  4. Step 4: Simplify right side
    38,491.36x = 704,184,096.84
  5. Step 5: Solve for x
    x = 704,184,096.84/38,491.36
  6. Step 6: Final answer
    x = 18,294.60

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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.