Home / 31,655.90-47,469.99-15,020.67

Finding the Fourth Proportional to 31,655.90, 47,469.99 and 15,020.67

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Solution

The fourth proportional to 31,655.90, 47,469.99 and 15,020.67 is: 22,524.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,655.90 : 47,469.99 = 15,020.67 : x
  2. Step 2: Convert to fraction form
    31,655.90/47,469.99 = 15,020.67/x
  3. Step 3: Cross multiply
    31,655.90x = 47,469.99 × 15,020.67
  4. Step 4: Simplify right side
    31,655.90x = 713,031,054.69
  5. Step 5: Solve for x
    x = 713,031,054.69/31,655.90
  6. Step 6: Final answer
    x = 22,524.43

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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.