Home / 40,619.45-60,930.42-11,037.92

Finding the Fourth Proportional to 40,619.45, 60,930.42 and 11,037.92

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Solution

The fourth proportional to 40,619.45, 60,930.42 and 11,037.92 is: 16,557.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,619.45 : 60,930.42 = 11,037.92 : x
  2. Step 2: Convert to fraction form
    40,619.45/60,930.42 = 11,037.92/x
  3. Step 3: Cross multiply
    40,619.45x = 60,930.42 × 11,037.92
  4. Step 4: Simplify right side
    40,619.45x = 672,544,796.87
  5. Step 5: Solve for x
    x = 672,544,796.87/40,619.45
  6. Step 6: Final answer
    x = 16,557.21

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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.