Home / 40,496.87-60,741.20-10,917.69

Finding the Fourth Proportional to 40,496.87, 60,741.20 and 10,917.69

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Solution

The fourth proportional to 40,496.87, 60,741.20 and 10,917.69 is: 16,375.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,496.87 : 60,741.20 = 10,917.69 : x
  2. Step 2: Convert to fraction form
    40,496.87/60,741.20 = 10,917.69/x
  3. Step 3: Cross multiply
    40,496.87x = 60,741.20 × 10,917.69
  4. Step 4: Simplify right side
    40,496.87x = 663,153,694.63
  5. Step 5: Solve for x
    x = 663,153,694.63/40,496.87
  6. Step 6: Final answer
    x = 16,375.43

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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.