Home / 38,104.48-57,156.72-13,151.68

Finding the Fourth Proportional to 38,104.48, 57,156.72 and 13,151.68

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Solution

The fourth proportional to 38,104.48, 57,156.72 and 13,151.68 is: 19,727.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,104.48 : 57,156.72 = 13,151.68 : x
  2. Step 2: Convert to fraction form
    38,104.48/57,156.72 = 13,151.68/x
  3. Step 3: Cross multiply
    38,104.48x = 57,156.72 × 13,151.68
  4. Step 4: Simplify right side
    38,104.48x = 751,706,891.29
  5. Step 5: Solve for x
    x = 751,706,891.29/38,104.48
  6. Step 6: Final answer
    x = 19,727.52

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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.