Home / 41,143.20-61,696.44-13,055.28

Finding the Fourth Proportional to 41,143.20, 61,696.44 and 13,055.28

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Solution

The fourth proportional to 41,143.20, 61,696.44 and 13,055.28 is: 19,577.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,143.20 : 61,696.44 = 13,055.28 : x
  2. Step 2: Convert to fraction form
    41,143.20/61,696.44 = 13,055.28/x
  3. Step 3: Cross multiply
    41,143.20x = 61,696.44 × 13,055.28
  4. Step 4: Simplify right side
    41,143.20x = 805,464,299.20
  5. Step 5: Solve for x
    x = 805,464,299.20/41,143.20
  6. Step 6: Final answer
    x = 19,577.09

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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.