Home / 40,636.22-61,074.63-39,531.78

Finding the Fourth Proportional to 40,636.22, 61,074.63 and 39,531.78

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Solution

The fourth proportional to 40,636.22, 61,074.63 and 39,531.78 is: 59,414.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,636.22 : 61,074.63 = 39,531.78 : x
  2. Step 2: Convert to fraction form
    40,636.22/61,074.63 = 39,531.78/x
  3. Step 3: Cross multiply
    40,636.22x = 61,074.63 × 39,531.78
  4. Step 4: Simplify right side
    40,636.22x = 2,414,388,836.74
  5. Step 5: Solve for x
    x = 2,414,388,836.74/40,636.22
  6. Step 6: Final answer
    x = 59,414.71

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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.