Home / 50,428.60-75,635.45-18,834.70

Finding the Fourth Proportional to 50,428.60, 75,635.45 and 18,834.70

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Solution

The fourth proportional to 50,428.60, 75,635.45 and 18,834.70 is: 28,249.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,428.60 : 75,635.45 = 18,834.70 : x
  2. Step 2: Convert to fraction form
    50,428.60/75,635.45 = 18,834.70/x
  3. Step 3: Cross multiply
    50,428.60x = 75,635.45 × 18,834.70
  4. Step 4: Simplify right side
    50,428.60x = 1,424,571,099.05
  5. Step 5: Solve for x
    x = 1,424,571,099.05/50,428.60
  6. Step 6: Final answer
    x = 28,249.27

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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.