Home / 64,238.64-96,367.22-19,869.28

Finding the Fourth Proportional to 64,238.64, 96,367.22 and 19,869.28

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Solution

The fourth proportional to 64,238.64, 96,367.22 and 19,869.28 is: 29,806.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,238.64 : 96,367.22 = 19,869.28 : x
  2. Step 2: Convert to fraction form
    64,238.64/96,367.22 = 19,869.28/x
  3. Step 3: Cross multiply
    64,238.64x = 96,367.22 × 19,869.28
  4. Step 4: Simplify right side
    64,238.64x = 1,914,747,277.00
  5. Step 5: Solve for x
    x = 1,914,747,277.00/64,238.64
  6. Step 6: Final answer
    x = 29,806.78

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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.