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Finding the Fourth Proportional to 34,593.75, 47,736.54 and 19,481.58

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Solution

The fourth proportional to 34,593.75, 47,736.54 and 19,481.58 is: 26,882.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,593.75 : 47,736.54 = 19,481.58 : x
  2. Step 2: Convert to fraction form
    34,593.75/47,736.54 = 19,481.58/x
  3. Step 3: Cross multiply
    34,593.75x = 47,736.54 × 19,481.58
  4. Step 4: Simplify right side
    34,593.75x = 929,983,222.93
  5. Step 5: Solve for x
    x = 929,983,222.93/34,593.75
  6. Step 6: Final answer
    x = 26,882.98

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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.