Home / 29,388.78-44,037.09-20,495.34

Finding the Fourth Proportional to 29,388.78, 44,037.09 and 20,495.34

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Solution

The fourth proportional to 29,388.78, 44,037.09 and 20,495.34 is: 30,710.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,388.78 : 44,037.09 = 20,495.34 : x
  2. Step 2: Convert to fraction form
    29,388.78/44,037.09 = 20,495.34/x
  3. Step 3: Cross multiply
    29,388.78x = 44,037.09 × 20,495.34
  4. Step 4: Simplify right side
    29,388.78x = 902,555,132.16
  5. Step 5: Solve for x
    x = 902,555,132.16/29,388.78
  6. Step 6: Final answer
    x = 30,710.87

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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.