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Finding the Fourth Proportional to 55,182, 82,668.88 and 32,625.36

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Solution

The fourth proportional to 55,182, 82,668.88 and 32,625.36 is: 48,876.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182 : 82,668.88 = 32,625.36 : x
  2. Step 2: Convert to fraction form
    55,182/82,668.88 = 32,625.36/x
  3. Step 3: Cross multiply
    55,182x = 82,668.88 × 32,625.36
  4. Step 4: Simplify right side
    55,182x = 2,697,101,970.80
  5. Step 5: Solve for x
    x = 2,697,101,970.80/55,182
  6. Step 6: Final answer
    x = 48,876.48

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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.