Home / 64,103.28-96,165.84-19,729.04

Finding the Fourth Proportional to 64,103.28, 96,165.84 and 19,729.04

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Solution

The fourth proportional to 64,103.28, 96,165.84 and 19,729.04 is: 29,596.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,103.28 : 96,165.84 = 19,729.04 : x
  2. Step 2: Convert to fraction form
    64,103.28/96,165.84 = 19,729.04/x
  3. Step 3: Cross multiply
    64,103.28x = 96,165.84 × 19,729.04
  4. Step 4: Simplify right side
    64,103.28x = 1,897,259,703.99
  5. Step 5: Solve for x
    x = 1,897,259,703.99/64,103.28
  6. Step 6: Final answer
    x = 29,596.92

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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.