Home / 40,759.87-61,135.71-11,180.68

Finding the Fourth Proportional to 40,759.87, 61,135.71 and 11,180.68

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Solution

The fourth proportional to 40,759.87, 61,135.71 and 11,180.68 is: 16,769.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,759.87 : 61,135.71 = 11,180.68 : x
  2. Step 2: Convert to fraction form
    40,759.87/61,135.71 = 11,180.68/x
  3. Step 3: Cross multiply
    40,759.87x = 61,135.71 × 11,180.68
  4. Step 4: Simplify right side
    40,759.87x = 683,538,810.08
  5. Step 5: Solve for x
    x = 683,538,810.08/40,759.87
  6. Step 6: Final answer
    x = 16,769.90

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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.