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Finding the Fourth Proportional to 53,384, 80,080.32 and 16,448

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Solution

The fourth proportional to 53,384, 80,080.32 and 16,448 is: 24,673.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,384 : 80,080.32 = 16,448 : x
  2. Step 2: Convert to fraction form
    53,384/80,080.32 = 16,448/x
  3. Step 3: Cross multiply
    53,384x = 80,080.32 × 16,448
  4. Step 4: Simplify right side
    53,384x = 1,317,161,103.36
  5. Step 5: Solve for x
    x = 1,317,161,103.36/53,384
  6. Step 6: Final answer
    x = 24,673.33

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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.