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Finding the Fourth Proportional to 52,863.99, 79,244.96 and 17,784.51

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Solution

The fourth proportional to 52,863.99, 79,244.96 and 17,784.51 is: 26,659.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,863.99 : 79,244.96 = 17,784.51 : x
  2. Step 2: Convert to fraction form
    52,863.99/79,244.96 = 17,784.51/x
  3. Step 3: Cross multiply
    52,863.99x = 79,244.96 × 17,784.51
  4. Step 4: Simplify right side
    52,863.99x = 1,409,332,694.65
  5. Step 5: Solve for x
    x = 1,409,332,694.65/52,863.99
  6. Step 6: Final answer
    x = 26,659.60

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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.