Home / 38,378.73-57,581.17-23,415.81

Finding the Fourth Proportional to 38,378.73, 57,581.17 and 23,415.81

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Solution

The fourth proportional to 38,378.73, 57,581.17 and 23,415.81 is: 35,131.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,378.73 : 57,581.17 = 23,415.81 : x
  2. Step 2: Convert to fraction form
    38,378.73/57,581.17 = 23,415.81/x
  3. Step 3: Cross multiply
    38,378.73x = 57,581.17 × 23,415.81
  4. Step 4: Simplify right side
    38,378.73x = 1,348,309,448.39
  5. Step 5: Solve for x
    x = 1,348,309,448.39/38,378.73
  6. Step 6: Final answer
    x = 35,131.68

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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.