Home / 64,239.68-96,362.22-19,867.28

Finding the Fourth Proportional to 64,239.68, 96,362.22 and 19,867.28

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Solution

The fourth proportional to 64,239.68, 96,362.22 and 19,867.28 is: 29,801.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,239.68 : 96,362.22 = 19,867.28 : x
  2. Step 2: Convert to fraction form
    64,239.68/96,362.22 = 19,867.28/x
  3. Step 3: Cross multiply
    64,239.68x = 96,362.22 × 19,867.28
  4. Step 4: Simplify right side
    64,239.68x = 1,914,454,798.85
  5. Step 5: Solve for x
    x = 1,914,454,798.85/64,239.68
  6. Step 6: Final answer
    x = 29,801.75

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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.