Home / 34,265.48-47,286.69-20,118.56

Finding the Fourth Proportional to 34,265.48, 47,286.69 and 20,118.56

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Solution

The fourth proportional to 34,265.48, 47,286.69 and 20,118.56 is: 27,763.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,265.48 : 47,286.69 = 20,118.56 : x
  2. Step 2: Convert to fraction form
    34,265.48/47,286.69 = 20,118.56/x
  3. Step 3: Cross multiply
    34,265.48x = 47,286.69 × 20,118.56
  4. Step 4: Simplify right side
    34,265.48x = 951,340,109.97
  5. Step 5: Solve for x
    x = 951,340,109.97/34,265.48
  6. Step 6: Final answer
    x = 27,763.81

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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.