Home / 31,546.45-47,319.34-9,360.04

Finding the Fourth Proportional to 31,546.45, 47,319.34 and 9,360.04

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Solution

The fourth proportional to 31,546.45, 47,319.34 and 9,360.04 is: 14,039.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,546.45 : 47,319.34 = 9,360.04 : x
  2. Step 2: Convert to fraction form
    31,546.45/47,319.34 = 9,360.04/x
  3. Step 3: Cross multiply
    31,546.45x = 47,319.34 × 9,360.04
  4. Step 4: Simplify right side
    31,546.45x = 442,910,915.17
  5. Step 5: Solve for x
    x = 442,910,915.17/31,546.45
  6. Step 6: Final answer
    x = 14,039.96

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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.