Home / 39,226.80-58,872.60-18,199.20

Finding the Fourth Proportional to 39,226.80, 58,872.60 and 18,199.20

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Solution

The fourth proportional to 39,226.80, 58,872.60 and 18,199.20 is: 27,313.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,226.80 : 58,872.60 = 18,199.20 : x
  2. Step 2: Convert to fraction form
    39,226.80/58,872.60 = 18,199.20/x
  3. Step 3: Cross multiply
    39,226.80x = 58,872.60 × 18,199.20
  4. Step 4: Simplify right side
    39,226.80x = 1,071,434,221.92
  5. Step 5: Solve for x
    x = 1,071,434,221.92/39,226.80
  6. Step 6: Final answer
    x = 27,313.83

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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.