Home / 31,707.99-47,636.06-27,279.45

Finding the Fourth Proportional to 31,707.99, 47,636.06 and 27,279.45

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Solution

The fourth proportional to 31,707.99, 47,636.06 and 27,279.45 is: 40,982.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,707.99 : 47,636.06 = 27,279.45 : x
  2. Step 2: Convert to fraction form
    31,707.99/47,636.06 = 27,279.45/x
  3. Step 3: Cross multiply
    31,707.99x = 47,636.06 × 27,279.45
  4. Step 4: Simplify right side
    31,707.99x = 1,299,485,380.57
  5. Step 5: Solve for x
    x = 1,299,485,380.57/31,707.99
  6. Step 6: Final answer
    x = 40,982.90

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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.