Home / 41,420.94-57,127.11-25,476.78

Finding the Fourth Proportional to 41,420.94, 57,127.11 and 25,476.78

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Solution

The fourth proportional to 41,420.94, 57,127.11 and 25,476.78 is: 35,137.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,420.94 : 57,127.11 = 25,476.78 : x
  2. Step 2: Convert to fraction form
    41,420.94/57,127.11 = 25,476.78/x
  3. Step 3: Cross multiply
    41,420.94x = 57,127.11 × 25,476.78
  4. Step 4: Simplify right side
    41,420.94x = 1,455,414,813.51
  5. Step 5: Solve for x
    x = 1,455,414,813.51/41,420.94
  6. Step 6: Final answer
    x = 35,137.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.