Home / 38,965.20-58,456.47-18,177.36

Finding the Fourth Proportional to 38,965.20, 58,456.47 and 18,177.36

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Solution

The fourth proportional to 38,965.20, 58,456.47 and 18,177.36 is: 27,270.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,965.20 : 58,456.47 = 18,177.36 : x
  2. Step 2: Convert to fraction form
    38,965.20/58,456.47 = 18,177.36/x
  3. Step 3: Cross multiply
    38,965.20x = 58,456.47 × 18,177.36
  4. Step 4: Simplify right side
    38,965.20x = 1,062,584,299.52
  5. Step 5: Solve for x
    x = 1,062,584,299.52/38,965.20
  6. Step 6: Final answer
    x = 27,270.08

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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.