Home / 73,419.44-110,115.24-31,291.60

Finding the Fourth Proportional to 73,419.44, 110,115.24 and 31,291.60

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Solution

The fourth proportional to 73,419.44, 110,115.24 and 31,291.60 is: 46,931.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,419.44 : 110,115.24 = 31,291.60 : x
  2. Step 2: Convert to fraction form
    73,419.44/110,115.24 = 31,291.60/x
  3. Step 3: Cross multiply
    73,419.44x = 110,115.24 × 31,291.60
  4. Step 4: Simplify right side
    73,419.44x = 3,445,682,043.98
  5. Step 5: Solve for x
    x = 3,445,682,043.98/73,419.44
  6. Step 6: Final answer
    x = 46,931.47

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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.