Home / 47,778.58-71,667.46-12,239.83

Finding the Fourth Proportional to 47,778.58, 71,667.46 and 12,239.83

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Solution

The fourth proportional to 47,778.58, 71,667.46 and 12,239.83 is: 18,359.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,778.58 : 71,667.46 = 12,239.83 : x
  2. Step 2: Convert to fraction form
    47,778.58/71,667.46 = 12,239.83/x
  3. Step 3: Cross multiply
    47,778.58x = 71,667.46 × 12,239.83
  4. Step 4: Simplify right side
    47,778.58x = 877,197,526.93
  5. Step 5: Solve for x
    x = 877,197,526.93/47,778.58
  6. Step 6: Final answer
    x = 18,359.64

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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.