Home / 38,107.44-57,162.76-11,812.72

Finding the Fourth Proportional to 38,107.44, 57,162.76 and 11,812.72

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Solution

The fourth proportional to 38,107.44, 57,162.76 and 11,812.72 is: 17,719.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,107.44 : 57,162.76 = 11,812.72 : x
  2. Step 2: Convert to fraction form
    38,107.44/57,162.76 = 11,812.72/x
  3. Step 3: Cross multiply
    38,107.44x = 57,162.76 × 11,812.72
  4. Step 4: Simplify right side
    38,107.44x = 675,247,678.31
  5. Step 5: Solve for x
    x = 675,247,678.31/38,107.44
  6. Step 6: Final answer
    x = 17,719.58

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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.