Home / 35,281.97-48,687.98-20,174.36

Finding the Fourth Proportional to 35,281.97, 48,687.98 and 20,174.36

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Solution

The fourth proportional to 35,281.97, 48,687.98 and 20,174.36 is: 27,839.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,281.97 : 48,687.98 = 20,174.36 : x
  2. Step 2: Convert to fraction form
    35,281.97/48,687.98 = 20,174.36/x
  3. Step 3: Cross multiply
    35,281.97x = 48,687.98 × 20,174.36
  4. Step 4: Simplify right side
    35,281.97x = 982,248,491.88
  5. Step 5: Solve for x
    x = 982,248,491.88/35,281.97
  6. Step 6: Final answer
    x = 27,839.96

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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.