Home / 34,409.78-51,484.26-20,377.34

Finding the Fourth Proportional to 34,409.78, 51,484.26 and 20,377.34

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Solution

The fourth proportional to 34,409.78, 51,484.26 and 20,377.34 is: 30,488.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,409.78 : 51,484.26 = 20,377.34 : x
  2. Step 2: Convert to fraction form
    34,409.78/51,484.26 = 20,377.34/x
  3. Step 3: Cross multiply
    34,409.78x = 51,484.26 × 20,377.34
  4. Step 4: Simplify right side
    34,409.78x = 1,049,112,270.67
  5. Step 5: Solve for x
    x = 1,049,112,270.67/34,409.78
  6. Step 6: Final answer
    x = 30,488.78

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.