Home / 49,756.41-74,429.55-45,376.92

Finding the Fourth Proportional to 49,756.41, 74,429.55 and 45,376.92

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Solution

The fourth proportional to 49,756.41, 74,429.55 and 45,376.92 is: 67,878.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,756.41 : 74,429.55 = 45,376.92 : x
  2. Step 2: Convert to fraction form
    49,756.41/74,429.55 = 45,376.92/x
  3. Step 3: Cross multiply
    49,756.41x = 74,429.55 × 45,376.92
  4. Step 4: Simplify right side
    49,756.41x = 3,377,383,735.99
  5. Step 5: Solve for x
    x = 3,377,383,735.99/49,756.41
  6. Step 6: Final answer
    x = 67,878.36

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1.5x scale

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.