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Finding the Fourth Proportional to 48,636, 72,954 and 11,700

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Solution

The fourth proportional to 48,636, 72,954 and 11,700 is: 17,550

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,636 : 72,954 = 11,700 : x
  2. Step 2: Convert to fraction form
    48,636/72,954 = 11,700/x
  3. Step 3: Cross multiply
    48,636x = 72,954 × 11,700
  4. Step 4: Simplify right side
    48,636x = 853,561,800
  5. Step 5: Solve for x
    x = 853,561,800/48,636
  6. Step 6: Final answer
    x = 17,550

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.