Home / 51,806.35-77,709.53-40,531.15

Finding the Fourth Proportional to 51,806.35, 77,709.53 and 40,531.15

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Solution

The fourth proportional to 51,806.35, 77,709.53 and 40,531.15 is: 60,796.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.35 : 77,709.53 = 40,531.15 : x
  2. Step 2: Convert to fraction form
    51,806.35/77,709.53 = 40,531.15/x
  3. Step 3: Cross multiply
    51,806.35x = 77,709.53 × 40,531.15
  4. Step 4: Simplify right side
    51,806.35x = 3,149,656,414.20
  5. Step 5: Solve for x
    x = 3,149,656,414.20/51,806.35
  6. Step 6: Final answer
    x = 60,796.73

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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.