Home / 35,988.30-49,662.82-20,072.41

Finding the Fourth Proportional to 35,988.30, 49,662.82 and 20,072.41

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Solution

The fourth proportional to 35,988.30, 49,662.82 and 20,072.41 is: 27,699.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.30 : 49,662.82 = 20,072.41 : x
  2. Step 2: Convert to fraction form
    35,988.30/49,662.82 = 20,072.41/x
  3. Step 3: Cross multiply
    35,988.30x = 49,662.82 × 20,072.41
  4. Step 4: Simplify right side
    35,988.30x = 996,852,385.73
  5. Step 5: Solve for x
    x = 996,852,385.73/35,988.30
  6. Step 6: Final answer
    x = 27,699.35

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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.