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Finding the Fourth Proportional to 67,342.54, 101,002.38 and 19,956.64

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Solution

The fourth proportional to 67,342.54, 101,002.38 and 19,956.64 is: 29,931.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,342.54 : 101,002.38 = 19,956.64 : x
  2. Step 2: Convert to fraction form
    67,342.54/101,002.38 = 19,956.64/x
  3. Step 3: Cross multiply
    67,342.54x = 101,002.38 × 19,956.64
  4. Step 4: Simplify right side
    67,342.54x = 2,015,668,136.80
  5. Step 5: Solve for x
    x = 2,015,668,136.80/67,342.54
  6. Step 6: Final answer
    x = 29,931.57

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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.