Home / 67,274.04-100,924.32-19,889.96

Finding the Fourth Proportional to 67,274.04, 100,924.32 and 19,889.96

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Solution

The fourth proportional to 67,274.04, 100,924.32 and 19,889.96 is: 29,838.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,274.04 : 100,924.32 = 19,889.96 : x
  2. Step 2: Convert to fraction form
    67,274.04/100,924.32 = 19,889.96/x
  3. Step 3: Cross multiply
    67,274.04x = 100,924.32 × 19,889.96
  4. Step 4: Simplify right side
    67,274.04x = 2,007,380,687.83
  5. Step 5: Solve for x
    x = 2,007,380,687.83/67,274.04
  6. Step 6: Final answer
    x = 29,838.86

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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.