Home / 31,707.45-47,561.58-9,519.54

Finding the Fourth Proportional to 31,707.45, 47,561.58 and 9,519.54

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Solution

The fourth proportional to 31,707.45, 47,561.58 and 9,519.54 is: 14,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.45 : 47,561.58 = 9,519.54 : x
  2. Step 2: Convert to fraction form
    31,707.45/47,561.58 = 9,519.54/x
  3. Step 3: Cross multiply
    31,707.45x = 47,561.58 × 9,519.54
  4. Step 4: Simplify right side
    31,707.45x = 452,764,363.27
  5. Step 5: Solve for x
    x = 452,764,363.27/31,707.45
  6. Step 6: Final answer
    x = 14,279.43

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1.5x scale

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.