Home / 47,777.58-71,665.97-12,238.83

Finding the Fourth Proportional to 47,777.58, 71,665.97 and 12,238.83

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Solution

The fourth proportional to 47,777.58, 71,665.97 and 12,238.83 is: 18,358.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,777.58 : 71,665.97 = 12,238.83 : x
  2. Step 2: Convert to fraction form
    47,777.58/71,665.97 = 12,238.83/x
  3. Step 3: Cross multiply
    47,777.58x = 71,665.97 × 12,238.83
  4. Step 4: Simplify right side
    47,777.58x = 877,107,562.42
  5. Step 5: Solve for x
    x = 877,107,562.42/47,777.58
  6. Step 6: Final answer
    x = 18,358.14

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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.