Home / 33,343.68-50,015.52-13,618.80

Finding the Fourth Proportional to 33,343.68, 50,015.52 and 13,618.80

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Solution

The fourth proportional to 33,343.68, 50,015.52 and 13,618.80 is: 20,428.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,343.68 : 50,015.52 = 13,618.80 : x
  2. Step 2: Convert to fraction form
    33,343.68/50,015.52 = 13,618.80/x
  3. Step 3: Cross multiply
    33,343.68x = 50,015.52 × 13,618.80
  4. Step 4: Simplify right side
    33,343.68x = 681,151,363.78
  5. Step 5: Solve for x
    x = 681,151,363.78/33,343.68
  6. Step 6: Final answer
    x = 20,428.20

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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.