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Finding the Fourth Proportional to 53,802.82, 80,717.19 and 16,866.82

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Solution

The fourth proportional to 53,802.82, 80,717.19 and 16,866.82 is: 25,304.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,802.82 : 80,717.19 = 16,866.82 : x
  2. Step 2: Convert to fraction form
    53,802.82/80,717.19 = 16,866.82/x
  3. Step 3: Cross multiply
    53,802.82x = 80,717.19 × 16,866.82
  4. Step 4: Simplify right side
    53,802.82x = 1,361,442,314.64
  5. Step 5: Solve for x
    x = 1,361,442,314.64/53,802.82
  6. Step 6: Final answer
    x = 25,304.29

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1.5x scale

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.