Home / 38,775.12-58,150.44-12,474

Finding the Fourth Proportional to 38,775.12, 58,150.44 and 12,474

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Solution

The fourth proportional to 38,775.12, 58,150.44 and 12,474 is: 18,707.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,775.12 : 58,150.44 = 12,474 : x
  2. Step 2: Convert to fraction form
    38,775.12/58,150.44 = 12,474/x
  3. Step 3: Cross multiply
    38,775.12x = 58,150.44 × 12,474
  4. Step 4: Simplify right side
    38,775.12x = 725,368,588.56
  5. Step 5: Solve for x
    x = 725,368,588.56/38,775.12
  6. Step 6: Final answer
    x = 18,707.06

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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.