Home / 30,234.88-41,709.60-19,627.84

Finding the Fourth Proportional to 30,234.88, 41,709.60 and 19,627.84

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Solution

The fourth proportional to 30,234.88, 41,709.60 and 19,627.84 is: 27,076.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.88 : 41,709.60 = 19,627.84 : x
  2. Step 2: Convert to fraction form
    30,234.88/41,709.60 = 19,627.84/x
  3. Step 3: Cross multiply
    30,234.88x = 41,709.60 × 19,627.84
  4. Step 4: Simplify right side
    30,234.88x = 818,669,355.26
  5. Step 5: Solve for x
    x = 818,669,355.26/30,234.88
  6. Step 6: Final answer
    x = 27,076.98

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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.