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Finding the Fourth Proportional to 34,752.51, 47,958.42 and 18,836.94

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Solution

The fourth proportional to 34,752.51, 47,958.42 and 18,836.94 is: 25,994.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,752.51 : 47,958.42 = 18,836.94 : x
  2. Step 2: Convert to fraction form
    34,752.51/47,958.42 = 18,836.94/x
  3. Step 3: Cross multiply
    34,752.51x = 47,958.42 × 18,836.94
  4. Step 4: Simplify right side
    34,752.51x = 903,389,880.03
  5. Step 5: Solve for x
    x = 903,389,880.03/34,752.51
  6. Step 6: Final answer
    x = 25,994.95

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.