Home / 38,483.60-57,745.37-29,120.81

Finding the Fourth Proportional to 38,483.60, 57,745.37 and 29,120.81

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Solution

The fourth proportional to 38,483.60, 57,745.37 and 29,120.81 is: 43,696.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,483.60 : 57,745.37 = 29,120.81 : x
  2. Step 2: Convert to fraction form
    38,483.60/57,745.37 = 29,120.81/x
  3. Step 3: Cross multiply
    38,483.60x = 57,745.37 × 29,120.81
  4. Step 4: Simplify right side
    38,483.60x = 1,681,591,948.15
  5. Step 5: Solve for x
    x = 1,681,591,948.15/38,483.60
  6. Step 6: Final answer
    x = 43,696.33

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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.