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Finding the Fourth Proportional to 47,451, 65,481.90 and 26,229.24

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Solution

The fourth proportional to 47,451, 65,481.90 and 26,229.24 is: 36,196.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,451 : 65,481.90 = 26,229.24 : x
  2. Step 2: Convert to fraction form
    47,451/65,481.90 = 26,229.24/x
  3. Step 3: Cross multiply
    47,451x = 65,481.90 × 26,229.24
  4. Step 4: Simplify right side
    47,451x = 1,717,540,470.76
  5. Step 5: Solve for x
    x = 1,717,540,470.76/47,451
  6. Step 6: Final answer
    x = 36,196.09

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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.