Home / 49,399.53-68,171.90-28,180.05

Finding the Fourth Proportional to 49,399.53, 68,171.90 and 28,180.05

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Solution

The fourth proportional to 49,399.53, 68,171.90 and 28,180.05 is: 38,888.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,399.53 : 68,171.90 = 28,180.05 : x
  2. Step 2: Convert to fraction form
    49,399.53/68,171.90 = 28,180.05/x
  3. Step 3: Cross multiply
    49,399.53x = 68,171.90 × 28,180.05
  4. Step 4: Simplify right side
    49,399.53x = 1,921,087,550.60
  5. Step 5: Solve for x
    x = 1,921,087,550.60/49,399.53
  6. Step 6: Final answer
    x = 38,888.78

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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.