Home / 35,918.40-49,553.76-21,766.08

Finding the Fourth Proportional to 35,918.40, 49,553.76 and 21,766.08

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Solution

The fourth proportional to 35,918.40, 49,553.76 and 21,766.08 is: 30,028.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,918.40 : 49,553.76 = 21,766.08 : x
  2. Step 2: Convert to fraction form
    35,918.40/49,553.76 = 21,766.08/x
  3. Step 3: Cross multiply
    35,918.40x = 49,553.76 × 21,766.08
  4. Step 4: Simplify right side
    35,918.40x = 1,078,591,104.46
  5. Step 5: Solve for x
    x = 1,078,591,104.46/35,918.40
  6. Step 6: Final answer
    x = 30,028.93

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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.