Home / 31,829.72-47,733.28-9,334.13

Finding the Fourth Proportional to 31,829.72, 47,733.28 and 9,334.13

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Solution

The fourth proportional to 31,829.72, 47,733.28 and 9,334.13 is: 13,997.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,829.72 : 47,733.28 = 9,334.13 : x
  2. Step 2: Convert to fraction form
    31,829.72/47,733.28 = 9,334.13/x
  3. Step 3: Cross multiply
    31,829.72x = 47,733.28 × 9,334.13
  4. Step 4: Simplify right side
    31,829.72x = 445,548,378.84
  5. Step 5: Solve for x
    x = 445,548,378.84/31,829.72
  6. Step 6: Final answer
    x = 13,997.88

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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.