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Finding the Fourth Proportional to 64,101.22, 96,160.94 and 19,731.64

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Solution

The fourth proportional to 64,101.22, 96,160.94 and 19,731.64 is: 29,600.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,101.22 : 96,160.94 = 19,731.64 : x
  2. Step 2: Convert to fraction form
    64,101.22/96,160.94 = 19,731.64/x
  3. Step 3: Cross multiply
    64,101.22x = 96,160.94 × 19,731.64
  4. Step 4: Simplify right side
    64,101.22x = 1,897,413,050.14
  5. Step 5: Solve for x
    x = 1,897,413,050.14/64,101.22
  6. Step 6: Final answer
    x = 29,600.26

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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.