Home / 31,922.32-47,861.26-14,143.33

Finding the Fourth Proportional to 31,922.32, 47,861.26 and 14,143.33

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Solution

The fourth proportional to 31,922.32, 47,861.26 and 14,143.33 is: 21,205.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.32 : 47,861.26 = 14,143.33 : x
  2. Step 2: Convert to fraction form
    31,922.32/47,861.26 = 14,143.33/x
  3. Step 3: Cross multiply
    31,922.32x = 47,861.26 × 14,143.33
  4. Step 4: Simplify right side
    31,922.32x = 676,917,594.40
  5. Step 5: Solve for x
    x = 676,917,594.40/31,922.32
  6. Step 6: Final answer
    x = 21,205.15

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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.