Home / 50,099.46-75,148.68-12,658.77

Finding the Fourth Proportional to 50,099.46, 75,148.68 and 12,658.77

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Solution

The fourth proportional to 50,099.46, 75,148.68 and 12,658.77 is: 18,988.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,099.46 : 75,148.68 = 12,658.77 : x
  2. Step 2: Convert to fraction form
    50,099.46/75,148.68 = 12,658.77/x
  3. Step 3: Cross multiply
    50,099.46x = 75,148.68 × 12,658.77
  4. Step 4: Simplify right side
    50,099.46x = 951,289,855.92
  5. Step 5: Solve for x
    x = 951,289,855.92/50,099.46
  6. Step 6: Final answer
    x = 18,988.03

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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.