Home / 47,649.20-65,753.71-26,428.28

Finding the Fourth Proportional to 47,649.20, 65,753.71 and 26,428.28

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Solution

The fourth proportional to 47,649.20, 65,753.71 and 26,428.28 is: 36,469.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,649.20 : 65,753.71 = 26,428.28 : x
  2. Step 2: Convert to fraction form
    47,649.20/65,753.71 = 26,428.28/x
  3. Step 3: Cross multiply
    47,649.20x = 65,753.71 × 26,428.28
  4. Step 4: Simplify right side
    47,649.20x = 1,737,757,064.08
  5. Step 5: Solve for x
    x = 1,737,757,064.08/47,649.20
  6. Step 6: Final answer
    x = 36,469.81

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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.