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Finding the Fourth Proportional to 58,450, 87,675 and 19,538

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Solution

The fourth proportional to 58,450, 87,675 and 19,538 is: 29,307

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,450 : 87,675 = 19,538 : x
  2. Step 2: Convert to fraction form
    58,450/87,675 = 19,538/x
  3. Step 3: Cross multiply
    58,450x = 87,675 × 19,538
  4. Step 4: Simplify right side
    58,450x = 1,712,994,150
  5. Step 5: Solve for x
    x = 1,712,994,150/58,450
  6. Step 6: Final answer
    x = 29,307

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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.