Home / 40,820.94-61,202.43-15,839.91

Finding the Fourth Proportional to 40,820.94, 61,202.43 and 15,839.91

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Solution

The fourth proportional to 40,820.94, 61,202.43 and 15,839.91 is: 23,748.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,820.94 : 61,202.43 = 15,839.91 : x
  2. Step 2: Convert to fraction form
    40,820.94/61,202.43 = 15,839.91/x
  3. Step 3: Cross multiply
    40,820.94x = 61,202.43 × 15,839.91
  4. Step 4: Simplify right side
    40,820.94x = 969,440,982.98
  5. Step 5: Solve for x
    x = 969,440,982.98/40,820.94
  6. Step 6: Final answer
    x = 23,748.62

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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.