Home / 20,035.77-30,037.45-8,357.73

Finding the Fourth Proportional to 20,035.77, 30,037.45 and 8,357.73

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Solution

The fourth proportional to 20,035.77, 30,037.45 and 8,357.73 is: 12,529.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,035.77 : 30,037.45 = 8,357.73 : x
  2. Step 2: Convert to fraction form
    20,035.77/30,037.45 = 8,357.73/x
  3. Step 3: Cross multiply
    20,035.77x = 30,037.45 × 8,357.73
  4. Step 4: Simplify right side
    20,035.77x = 251,044,896.99
  5. Step 5: Solve for x
    x = 251,044,896.99/20,035.77
  6. Step 6: Final answer
    x = 12,529.84

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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.