Home / 41,153.28-61,720.20-18,952.80

Finding the Fourth Proportional to 41,153.28, 61,720.20 and 18,952.80

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Solution

The fourth proportional to 41,153.28, 61,720.20 and 18,952.80 is: 28,424.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,153.28 : 61,720.20 = 18,952.80 : x
  2. Step 2: Convert to fraction form
    41,153.28/61,720.20 = 18,952.80/x
  3. Step 3: Cross multiply
    41,153.28x = 61,720.20 × 18,952.80
  4. Step 4: Simplify right side
    41,153.28x = 1,169,770,606.56
  5. Step 5: Solve for x
    x = 1,169,770,606.56/41,153.28
  6. Step 6: Final answer
    x = 28,424.72

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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.