Home / 33,620.80-50,434.83-12,570.92

Finding the Fourth Proportional to 33,620.80, 50,434.83 and 12,570.92

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Solution

The fourth proportional to 33,620.80, 50,434.83 and 12,570.92 is: 18,857.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,620.80 : 50,434.83 = 12,570.92 : x
  2. Step 2: Convert to fraction form
    33,620.80/50,434.83 = 12,570.92/x
  3. Step 3: Cross multiply
    33,620.80x = 50,434.83 × 12,570.92
  4. Step 4: Simplify right side
    33,620.80x = 634,012,213.14
  5. Step 5: Solve for x
    x = 634,012,213.14/33,620.80
  6. Step 6: Final answer
    x = 18,857.74

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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.