Home / 41,806.60-62,730.40-19,621.78

Finding the Fourth Proportional to 41,806.60, 62,730.40 and 19,621.78

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Solution

The fourth proportional to 41,806.60, 62,730.40 and 19,621.78 is: 29,442.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,806.60 : 62,730.40 = 19,621.78 : x
  2. Step 2: Convert to fraction form
    41,806.60/62,730.40 = 19,621.78/x
  3. Step 3: Cross multiply
    41,806.60x = 62,730.40 × 19,621.78
  4. Step 4: Simplify right side
    41,806.60x = 1,230,882,108.11
  5. Step 5: Solve for x
    x = 1,230,882,108.11/41,806.60
  6. Step 6: Final answer
    x = 29,442.29

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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.