Home / 47,144.76-70,622.44-21,808.78

Finding the Fourth Proportional to 47,144.76, 70,622.44 and 21,808.78

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Solution

The fourth proportional to 47,144.76, 70,622.44 and 21,808.78 is: 32,669.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,144.76 : 70,622.44 = 21,808.78 : x
  2. Step 2: Convert to fraction form
    47,144.76/70,622.44 = 21,808.78/x
  3. Step 3: Cross multiply
    47,144.76x = 70,622.44 × 21,808.78
  4. Step 4: Simplify right side
    47,144.76x = 1,540,189,257.02
  5. Step 5: Solve for x
    x = 1,540,189,257.02/47,144.76
  6. Step 6: Final answer
    x = 32,669.36

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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.