Home / 50,217.70-75,326.99-12,777.80

Finding the Fourth Proportional to 50,217.70, 75,326.99 and 12,777.80

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Solution

The fourth proportional to 50,217.70, 75,326.99 and 12,777.80 is: 19,166.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,217.70 : 75,326.99 = 12,777.80 : x
  2. Step 2: Convert to fraction form
    50,217.70/75,326.99 = 12,777.80/x
  3. Step 3: Cross multiply
    50,217.70x = 75,326.99 × 12,777.80
  4. Step 4: Simplify right side
    50,217.70x = 962,513,212.82
  5. Step 5: Solve for x
    x = 962,513,212.82/50,217.70
  6. Step 6: Final answer
    x = 19,166.81

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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.