Home / 38,446.10-57,576.81-19,676.78

Finding the Fourth Proportional to 38,446.10, 57,576.81 and 19,676.78

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Solution

The fourth proportional to 38,446.10, 57,576.81 and 19,676.78 is: 29,467.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,446.10 : 57,576.81 = 19,676.78 : x
  2. Step 2: Convert to fraction form
    38,446.10/57,576.81 = 19,676.78/x
  3. Step 3: Cross multiply
    38,446.10x = 57,576.81 × 19,676.78
  4. Step 4: Simplify right side
    38,446.10x = 1,132,926,223.47
  5. Step 5: Solve for x
    x = 1,132,926,223.47/38,446.10
  6. Step 6: Final answer
    x = 29,467.91

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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.