Home / 31,282.14-43,170.40-17,135.76

Finding the Fourth Proportional to 31,282.14, 43,170.40 and 17,135.76

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Solution

The fourth proportional to 31,282.14, 43,170.40 and 17,135.76 is: 23,647.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,282.14 : 43,170.40 = 17,135.76 : x
  2. Step 2: Convert to fraction form
    31,282.14/43,170.40 = 17,135.76/x
  3. Step 3: Cross multiply
    31,282.14x = 43,170.40 × 17,135.76
  4. Step 4: Simplify right side
    31,282.14x = 739,757,613.50
  5. Step 5: Solve for x
    x = 739,757,613.50/31,282.14
  6. Step 6: Final answer
    x = 23,647.92

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