Home / 41,078.12-61,604.84-21,345.90

Finding the Fourth Proportional to 41,078.12, 61,604.84 and 21,345.90

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Solution

The fourth proportional to 41,078.12, 61,604.84 and 21,345.90 is: 32,012.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,078.12 : 61,604.84 = 21,345.90 : x
  2. Step 2: Convert to fraction form
    41,078.12/61,604.84 = 21,345.90/x
  3. Step 3: Cross multiply
    41,078.12x = 61,604.84 × 21,345.90
  4. Step 4: Simplify right side
    41,078.12x = 1,315,010,754.16
  5. Step 5: Solve for x
    x = 1,315,010,754.16/41,078.12
  6. Step 6: Final answer
    x = 32,012.44

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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.