Home / 35,517.42-53,262.30-13,318.68

Finding the Fourth Proportional to 35,517.42, 53,262.30 and 13,318.68

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Solution

The fourth proportional to 35,517.42, 53,262.30 and 13,318.68 is: 19,972.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,517.42 : 53,262.30 = 13,318.68 : x
  2. Step 2: Convert to fraction form
    35,517.42/53,262.30 = 13,318.68/x
  3. Step 3: Cross multiply
    35,517.42x = 53,262.30 × 13,318.68
  4. Step 4: Simplify right side
    35,517.42x = 709,383,529.76
  5. Step 5: Solve for x
    x = 709,383,529.76/35,517.42
  6. Step 6: Final answer
    x = 19,972.83

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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.