Home / 71,610.48-107,408.16-19,025.28

Finding the Fourth Proportional to 71,610.48, 107,408.16 and 19,025.28

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Solution

The fourth proportional to 71,610.48, 107,408.16 and 19,025.28 is: 28,535.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,610.48 : 107,408.16 = 19,025.28 : x
  2. Step 2: Convert to fraction form
    71,610.48/107,408.16 = 19,025.28/x
  3. Step 3: Cross multiply
    71,610.48x = 107,408.16 × 19,025.28
  4. Step 4: Simplify right side
    71,610.48x = 2,043,470,318.28
  5. Step 5: Solve for x
    x = 2,043,470,318.28/71,610.48
  6. Step 6: Final answer
    x = 28,535.91

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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.