Home / 31,469.67-47,204.63-12,750.06

Finding the Fourth Proportional to 31,469.67, 47,204.63 and 12,750.06

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Solution

The fourth proportional to 31,469.67, 47,204.63 and 12,750.06 is: 19,125.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,469.67 : 47,204.63 = 12,750.06 : x
  2. Step 2: Convert to fraction form
    31,469.67/47,204.63 = 12,750.06/x
  3. Step 3: Cross multiply
    31,469.67x = 47,204.63 × 12,750.06
  4. Step 4: Simplify right side
    31,469.67x = 601,861,864.78
  5. Step 5: Solve for x
    x = 601,861,864.78/31,469.67
  6. Step 6: Final answer
    x = 19,125.14

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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.