Home / 39,179.20-58,768.80-19,496.20

Finding the Fourth Proportional to 39,179.20, 58,768.80 and 19,496.20

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Solution

The fourth proportional to 39,179.20, 58,768.80 and 19,496.20 is: 29,244.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,179.20 : 58,768.80 = 19,496.20 : x
  2. Step 2: Convert to fraction form
    39,179.20/58,768.80 = 19,496.20/x
  3. Step 3: Cross multiply
    39,179.20x = 58,768.80 × 19,496.20
  4. Step 4: Simplify right side
    39,179.20x = 1,145,768,278.56
  5. Step 5: Solve for x
    x = 1,145,768,278.56/39,179.20
  6. Step 6: Final answer
    x = 29,244.30

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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.