Home / 47,228.48-70,826.18-13,939.73

Finding the Fourth Proportional to 47,228.48, 70,826.18 and 13,939.73

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Solution

The fourth proportional to 47,228.48, 70,826.18 and 13,939.73 is: 20,904.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,228.48 : 70,826.18 = 13,939.73 : x
  2. Step 2: Convert to fraction form
    47,228.48/70,826.18 = 13,939.73/x
  3. Step 3: Cross multiply
    47,228.48x = 70,826.18 × 13,939.73
  4. Step 4: Simplify right side
    47,228.48x = 987,297,402.30
  5. Step 5: Solve for x
    x = 987,297,402.30/47,228.48
  6. Step 6: Final answer
    x = 20,904.71

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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.