Home / 38,321.12-57,481.70-10,619.12

Finding the Fourth Proportional to 38,321.12, 57,481.70 and 10,619.12

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Solution

The fourth proportional to 38,321.12, 57,481.70 and 10,619.12 is: 15,928.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,321.12 : 57,481.70 = 10,619.12 : x
  2. Step 2: Convert to fraction form
    38,321.12/57,481.70 = 10,619.12/x
  3. Step 3: Cross multiply
    38,321.12x = 57,481.70 × 10,619.12
  4. Step 4: Simplify right side
    38,321.12x = 610,405,070.10
  5. Step 5: Solve for x
    x = 610,405,070.10/38,321.12
  6. Step 6: Final answer
    x = 15,928.69

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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.