Home / 31,638.33-47,462.36-10,571.85

Finding the Fourth Proportional to 31,638.33, 47,462.36 and 10,571.85

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Solution

The fourth proportional to 31,638.33, 47,462.36 and 10,571.85 is: 15,859.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,638.33 : 47,462.36 = 10,571.85 : x
  2. Step 2: Convert to fraction form
    31,638.33/47,462.36 = 10,571.85/x
  3. Step 3: Cross multiply
    31,638.33x = 47,462.36 × 10,571.85
  4. Step 4: Simplify right side
    31,638.33x = 501,764,897.71
  5. Step 5: Solve for x
    x = 501,764,897.71/31,638.33
  6. Step 6: Final answer
    x = 15,859.40

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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.