Home / 41,145.58-61,721.25-20,363.50

Finding the Fourth Proportional to 41,145.58, 61,721.25 and 20,363.50

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Solution

The fourth proportional to 41,145.58, 61,721.25 and 20,363.50 is: 30,546.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,145.58 : 61,721.25 = 20,363.50 : x
  2. Step 2: Convert to fraction form
    41,145.58/61,721.25 = 20,363.50/x
  3. Step 3: Cross multiply
    41,145.58x = 61,721.25 × 20,363.50
  4. Step 4: Simplify right side
    41,145.58x = 1,256,860,674.38
  5. Step 5: Solve for x
    x = 1,256,860,674.38/41,145.58
  6. Step 6: Final answer
    x = 30,546.68

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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.