Home / 34,228.62-47,240.19-20,086.02

Finding the Fourth Proportional to 34,228.62, 47,240.19 and 20,086.02

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Solution

The fourth proportional to 34,228.62, 47,240.19 and 20,086.02 is: 27,721.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,228.62 : 47,240.19 = 20,086.02 : x
  2. Step 2: Convert to fraction form
    34,228.62/47,240.19 = 20,086.02/x
  3. Step 3: Cross multiply
    34,228.62x = 47,240.19 × 20,086.02
  4. Step 4: Simplify right side
    34,228.62x = 948,867,401.14
  5. Step 5: Solve for x
    x = 948,867,401.14/34,228.62
  6. Step 6: Final answer
    x = 27,721.46

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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.