Home / 34,231.05-47,234.18-19,121.84

Finding the Fourth Proportional to 34,231.05, 47,234.18 and 19,121.84

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Solution

The fourth proportional to 34,231.05, 47,234.18 and 19,121.84 is: 26,385.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,231.05 : 47,234.18 = 19,121.84 : x
  2. Step 2: Convert to fraction form
    34,231.05/47,234.18 = 19,121.84/x
  3. Step 3: Cross multiply
    34,231.05x = 47,234.18 × 19,121.84
  4. Step 4: Simplify right side
    34,231.05x = 903,204,454.97
  5. Step 5: Solve for x
    x = 903,204,454.97/34,231.05
  6. Step 6: Final answer
    x = 26,385.53

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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.