Home / 47,517.98-65,556.11-30,519.84

Finding the Fourth Proportional to 47,517.98, 65,556.11 and 30,519.84

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Solution

The fourth proportional to 47,517.98, 65,556.11 and 30,519.84 is: 42,105.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,517.98 : 65,556.11 = 30,519.84 : x
  2. Step 2: Convert to fraction form
    47,517.98/65,556.11 = 30,519.84/x
  3. Step 3: Cross multiply
    47,517.98x = 65,556.11 × 30,519.84
  4. Step 4: Simplify right side
    47,517.98x = 2,000,762,064.52
  5. Step 5: Solve for x
    x = 2,000,762,064.52/47,517.98
  6. Step 6: Final answer
    x = 42,105.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.