Home / 39,201.01-58,918.16-18,439.09

Finding the Fourth Proportional to 39,201.01, 58,918.16 and 18,439.09

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Solution

The fourth proportional to 39,201.01, 58,918.16 and 18,439.09 is: 27,713.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,201.01 : 58,918.16 = 18,439.09 : x
  2. Step 2: Convert to fraction form
    39,201.01/58,918.16 = 18,439.09/x
  3. Step 3: Cross multiply
    39,201.01x = 58,918.16 × 18,439.09
  4. Step 4: Simplify right side
    39,201.01x = 1,086,397,162.68
  5. Step 5: Solve for x
    x = 1,086,397,162.68/39,201.01
  6. Step 6: Final answer
    x = 27,713.50

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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.