Home / 34,073.45-47,021.36-18,965.79

Finding the Fourth Proportional to 34,073.45, 47,021.36 and 18,965.79

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Solution

The fourth proportional to 34,073.45, 47,021.36 and 18,965.79 is: 26,172.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,073.45 : 47,021.36 = 18,965.79 : x
  2. Step 2: Convert to fraction form
    34,073.45/47,021.36 = 18,965.79/x
  3. Step 3: Cross multiply
    34,073.45x = 47,021.36 × 18,965.79
  4. Step 4: Simplify right side
    34,073.45x = 891,796,956.75
  5. Step 5: Solve for x
    x = 891,796,956.75/34,073.45
  6. Step 6: Final answer
    x = 26,172.78

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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.