Home / 38,619.18-57,617.73-34,408.80

Finding the Fourth Proportional to 38,619.18, 57,617.73 and 34,408.80

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Solution

The fourth proportional to 38,619.18, 57,617.73 and 34,408.80 is: 51,336.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,619.18 : 57,617.73 = 34,408.80 : x
  2. Step 2: Convert to fraction form
    38,619.18/57,617.73 = 34,408.80/x
  3. Step 3: Cross multiply
    38,619.18x = 57,617.73 × 34,408.80
  4. Step 4: Simplify right side
    38,619.18x = 1,982,556,948.02
  5. Step 5: Solve for x
    x = 1,982,556,948.02/38,619.18
  6. Step 6: Final answer
    x = 51,336.07

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.