Home / 31,204.11-46,796.45-10,422.75

Finding the Fourth Proportional to 31,204.11, 46,796.45 and 10,422.75

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Solution

The fourth proportional to 31,204.11, 46,796.45 and 10,422.75 is: 15,630.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,204.11 : 46,796.45 = 10,422.75 : x
  2. Step 2: Convert to fraction form
    31,204.11/46,796.45 = 10,422.75/x
  3. Step 3: Cross multiply
    31,204.11x = 46,796.45 × 10,422.75
  4. Step 4: Simplify right side
    31,204.11x = 487,747,647.12
  5. Step 5: Solve for x
    x = 487,747,647.12/31,204.11
  6. Step 6: Final answer
    x = 15,630.88

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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.