Home / 33,570.50-50,310.39-12,782.66

Finding the Fourth Proportional to 33,570.50, 50,310.39 and 12,782.66

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Solution

The fourth proportional to 33,570.50, 50,310.39 and 12,782.66 is: 19,156.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,570.50 : 50,310.39 = 12,782.66 : x
  2. Step 2: Convert to fraction form
    33,570.50/50,310.39 = 12,782.66/x
  3. Step 3: Cross multiply
    33,570.50x = 50,310.39 × 12,782.66
  4. Step 4: Simplify right side
    33,570.50x = 643,100,420.15
  5. Step 5: Solve for x
    x = 643,100,420.15/33,570.50
  6. Step 6: Final answer
    x = 19,156.71

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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.