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Finding the Fourth Proportional to 64,369.92, 96,531.14 and 22,239.19

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Solution

The fourth proportional to 64,369.92, 96,531.14 and 22,239.19 is: 33,350.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,369.92 : 96,531.14 = 22,239.19 : x
  2. Step 2: Convert to fraction form
    64,369.92/96,531.14 = 22,239.19/x
  3. Step 3: Cross multiply
    64,369.92x = 96,531.14 × 22,239.19
  4. Step 4: Simplify right side
    64,369.92x = 2,146,774,539.64
  5. Step 5: Solve for x
    x = 2,146,774,539.64/64,369.92
  6. Step 6: Final answer
    x = 33,350.58

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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.