Home / 31,213.40-46,820.10-17,216.60

Finding the Fourth Proportional to 31,213.40, 46,820.10 and 17,216.60

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Solution

The fourth proportional to 31,213.40, 46,820.10 and 17,216.60 is: 25,824.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.40 : 46,820.10 = 17,216.60 : x
  2. Step 2: Convert to fraction form
    31,213.40/46,820.10 = 17,216.60/x
  3. Step 3: Cross multiply
    31,213.40x = 46,820.10 × 17,216.60
  4. Step 4: Simplify right side
    31,213.40x = 806,082,933.66
  5. Step 5: Solve for x
    x = 806,082,933.66/31,213.40
  6. Step 6: Final answer
    x = 25,824.90

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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.