Home / 41,378.85-62,083.31-20,316.65

Finding the Fourth Proportional to 41,378.85, 62,083.31 and 20,316.65

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Solution

The fourth proportional to 41,378.85, 62,083.31 and 20,316.65 is: 30,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,378.85 : 62,083.31 = 20,316.65 : x
  2. Step 2: Convert to fraction form
    41,378.85/62,083.31 = 20,316.65/x
  3. Step 3: Cross multiply
    41,378.85x = 62,083.31 × 20,316.65
  4. Step 4: Simplify right side
    41,378.85x = 1,261,324,468.11
  5. Step 5: Solve for x
    x = 1,261,324,468.11/41,378.85
  6. Step 6: Final answer
    x = 30,482.35

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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.