Home / 31,922.43-47,889.81-10,861.62

Finding the Fourth Proportional to 31,922.43, 47,889.81 and 10,861.62

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Solution

The fourth proportional to 31,922.43, 47,889.81 and 10,861.62 is: 16,294.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,922.43 : 47,889.81 = 10,861.62 : x
  2. Step 2: Convert to fraction form
    31,922.43/47,889.81 = 10,861.62/x
  3. Step 3: Cross multiply
    31,922.43x = 47,889.81 × 10,861.62
  4. Step 4: Simplify right side
    31,922.43x = 520,160,918.09
  5. Step 5: Solve for x
    x = 520,160,918.09/31,922.43
  6. Step 6: Final answer
    x = 16,294.53

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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.