Home / 45,321.92-67,956-17,244.08

Finding the Fourth Proportional to 45,321.92, 67,956 and 17,244.08

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Solution

The fourth proportional to 45,321.92, 67,956 and 17,244.08 is: 25,855.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,321.92 : 67,956 = 17,244.08 : x
  2. Step 2: Convert to fraction form
    45,321.92/67,956 = 17,244.08/x
  3. Step 3: Cross multiply
    45,321.92x = 67,956 × 17,244.08
  4. Step 4: Simplify right side
    45,321.92x = 1,171,838,700.48
  5. Step 5: Solve for x
    x = 1,171,838,700.48/45,321.92
  6. Step 6: Final answer
    x = 25,855.89

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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.