Home / 49,839.56-68,775.12-28,039.12

Finding the Fourth Proportional to 49,839.56, 68,775.12 and 28,039.12

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Solution

The fourth proportional to 49,839.56, 68,775.12 and 28,039.12 is: 38,692.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,839.56 : 68,775.12 = 28,039.12 : x
  2. Step 2: Convert to fraction form
    49,839.56/68,775.12 = 28,039.12/x
  3. Step 3: Cross multiply
    49,839.56x = 68,775.12 × 28,039.12
  4. Step 4: Simplify right side
    49,839.56x = 1,928,393,842.69
  5. Step 5: Solve for x
    x = 1,928,393,842.69/49,839.56
  6. Step 6: Final answer
    x = 38,692.03

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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.