Home / 31,469.99-47,213.10-11,748.69

Finding the Fourth Proportional to 31,469.99, 47,213.10 and 11,748.69

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Solution

The fourth proportional to 31,469.99, 47,213.10 and 11,748.69 is: 17,626.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.99 : 47,213.10 = 11,748.69 : x
  2. Step 2: Convert to fraction form
    31,469.99/47,213.10 = 11,748.69/x
  3. Step 3: Cross multiply
    31,469.99x = 47,213.10 × 11,748.69
  4. Step 4: Simplify right side
    31,469.99x = 554,692,075.84
  5. Step 5: Solve for x
    x = 554,692,075.84/31,469.99
  6. Step 6: Final answer
    x = 17,626.07

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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.