Home / 30,234.45-41,711.91-19,478.52

Finding the Fourth Proportional to 30,234.45, 41,711.91 and 19,478.52

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Solution

The fourth proportional to 30,234.45, 41,711.91 and 19,478.52 is: 26,872.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,234.45 : 41,711.91 = 19,478.52 : x
  2. Step 2: Convert to fraction form
    30,234.45/41,711.91 = 19,478.52/x
  3. Step 3: Cross multiply
    30,234.45x = 41,711.91 × 19,478.52
  4. Step 4: Simplify right side
    30,234.45x = 812,486,273.17
  5. Step 5: Solve for x
    x = 812,486,273.17/30,234.45
  6. Step 6: Final answer
    x = 26,872.86

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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.