Home / 49,115.78-67,780.23-26,759.78

Finding the Fourth Proportional to 49,115.78, 67,780.23 and 26,759.78

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Solution

The fourth proportional to 49,115.78, 67,780.23 and 26,759.78 is: 36,928.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,115.78 : 67,780.23 = 26,759.78 : x
  2. Step 2: Convert to fraction form
    49,115.78/67,780.23 = 26,759.78/x
  3. Step 3: Cross multiply
    49,115.78x = 67,780.23 × 26,759.78
  4. Step 4: Simplify right side
    49,115.78x = 1,813,784,043.15
  5. Step 5: Solve for x
    x = 1,813,784,043.15/49,115.78
  6. Step 6: Final answer
    x = 36,928.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.