Home / 38,238.77-57,358.16-11,945.59

Finding the Fourth Proportional to 38,238.77, 57,358.16 and 11,945.59

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Solution

The fourth proportional to 38,238.77, 57,358.16 and 11,945.59 is: 17,918.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,238.77 : 57,358.16 = 11,945.59 : x
  2. Step 2: Convert to fraction form
    38,238.77/57,358.16 = 11,945.59/x
  3. Step 3: Cross multiply
    38,238.77x = 57,358.16 × 11,945.59
  4. Step 4: Simplify right side
    38,238.77x = 685,176,716.00
  5. Step 5: Solve for x
    x = 685,176,716.00/38,238.77
  6. Step 6: Final answer
    x = 17,918.38

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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.