Home / 41,328.46-61,943.48-28,780.55

Finding the Fourth Proportional to 41,328.46, 61,943.48 and 28,780.55

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Solution

The fourth proportional to 41,328.46, 61,943.48 and 28,780.55 is: 43,136.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,328.46 : 61,943.48 = 28,780.55 : x
  2. Step 2: Convert to fraction form
    41,328.46/61,943.48 = 28,780.55/x
  3. Step 3: Cross multiply
    41,328.46x = 61,943.48 × 28,780.55
  4. Step 4: Simplify right side
    41,328.46x = 1,782,767,471.80
  5. Step 5: Solve for x
    x = 1,782,767,471.80/41,328.46
  6. Step 6: Final answer
    x = 43,136.56

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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.