Home / 40,921.92-61,384.20-11,340.04

Finding the Fourth Proportional to 40,921.92, 61,384.20 and 11,340.04

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Solution

The fourth proportional to 40,921.92, 61,384.20 and 11,340.04 is: 17,010.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,921.92 : 61,384.20 = 11,340.04 : x
  2. Step 2: Convert to fraction form
    40,921.92/61,384.20 = 11,340.04/x
  3. Step 3: Cross multiply
    40,921.92x = 61,384.20 × 11,340.04
  4. Step 4: Simplify right side
    40,921.92x = 696,099,283.37
  5. Step 5: Solve for x
    x = 696,099,283.37/40,921.92
  6. Step 6: Final answer
    x = 17,010.43

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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.