Home / 38,584.08-53,245.80-21,588.28

Finding the Fourth Proportional to 38,584.08, 53,245.80 and 21,588.28

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Solution

The fourth proportional to 38,584.08, 53,245.80 and 21,588.28 is: 29,791.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,584.08 : 53,245.80 = 21,588.28 : x
  2. Step 2: Convert to fraction form
    38,584.08/53,245.80 = 21,588.28/x
  3. Step 3: Cross multiply
    38,584.08x = 53,245.80 × 21,588.28
  4. Step 4: Simplify right side
    38,584.08x = 1,149,485,239.22
  5. Step 5: Solve for x
    x = 1,149,485,239.22/38,584.08
  6. Step 6: Final answer
    x = 29,791.70

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.