Home / 29,039.80-43,559.70-19,190.20

Finding the Fourth Proportional to 29,039.80, 43,559.70 and 19,190.20

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Solution

The fourth proportional to 29,039.80, 43,559.70 and 19,190.20 is: 28,785.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,039.80 : 43,559.70 = 19,190.20 : x
  2. Step 2: Convert to fraction form
    29,039.80/43,559.70 = 19,190.20/x
  3. Step 3: Cross multiply
    29,039.80x = 43,559.70 × 19,190.20
  4. Step 4: Simplify right side
    29,039.80x = 835,919,354.94
  5. Step 5: Solve for x
    x = 835,919,354.94/29,039.80
  6. Step 6: Final answer
    x = 28,785.30

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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.