Home / 40,942.59-61,406.49-11,362.80

Finding the Fourth Proportional to 40,942.59, 61,406.49 and 11,362.80

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Solution

The fourth proportional to 40,942.59, 61,406.49 and 11,362.80 is: 17,042.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,942.59 : 61,406.49 = 11,362.80 : x
  2. Step 2: Convert to fraction form
    40,942.59/61,406.49 = 11,362.80/x
  3. Step 3: Cross multiply
    40,942.59x = 61,406.49 × 11,362.80
  4. Step 4: Simplify right side
    40,942.59x = 697,749,664.57
  5. Step 5: Solve for x
    x = 697,749,664.57/40,942.59
  6. Step 6: Final answer
    x = 17,042.15

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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.