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Finding the Fourth Proportional to 55,304, 82,956 and 18,368

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Solution

The fourth proportional to 55,304, 82,956 and 18,368 is: 27,552

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,304 : 82,956 = 18,368 : x
  2. Step 2: Convert to fraction form
    55,304/82,956 = 18,368/x
  3. Step 3: Cross multiply
    55,304x = 82,956 × 18,368
  4. Step 4: Simplify right side
    55,304x = 1,523,735,808
  5. Step 5: Solve for x
    x = 1,523,735,808/55,304
  6. Step 6: Final answer
    x = 27,552

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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.