Home / 38,383.36-57,559.86-18,656.08

Finding the Fourth Proportional to 38,383.36, 57,559.86 and 18,656.08

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Solution

The fourth proportional to 38,383.36, 57,559.86 and 18,656.08 is: 27,976.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,383.36 : 57,559.86 = 18,656.08 : x
  2. Step 2: Convert to fraction form
    38,383.36/57,559.86 = 18,656.08/x
  3. Step 3: Cross multiply
    38,383.36x = 57,559.86 × 18,656.08
  4. Step 4: Simplify right side
    38,383.36x = 1,073,841,352.95
  5. Step 5: Solve for x
    x = 1,073,841,352.95/38,383.36
  6. Step 6: Final answer
    x = 27,976.74

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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.