Home / 72,214.77-108,324.38-19,625.37

Finding the Fourth Proportional to 72,214.77, 108,324.38 and 19,625.37

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Solution

The fourth proportional to 72,214.77, 108,324.38 and 19,625.37 is: 29,438.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    72,214.77 : 108,324.38 = 19,625.37 : x
  2. Step 2: Convert to fraction form
    72,214.77/108,324.38 = 19,625.37/x
  3. Step 3: Cross multiply
    72,214.77x = 108,324.38 × 19,625.37
  4. Step 4: Simplify right side
    72,214.77x = 2,125,905,939.39
  5. Step 5: Solve for x
    x = 2,125,905,939.39/72,214.77
  6. Step 6: Final answer
    x = 29,438.66

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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.