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Finding the Fourth Proportional to 61,788.31, 92,689.67 and 22,363.99

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Solution

The fourth proportional to 61,788.31, 92,689.67 and 22,363.99 is: 33,548.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,788.31 : 92,689.67 = 22,363.99 : x
  2. Step 2: Convert to fraction form
    61,788.31/92,689.67 = 22,363.99/x
  3. Step 3: Cross multiply
    61,788.31x = 92,689.67 × 22,363.99
  4. Step 4: Simplify right side
    61,788.31x = 2,072,910,852.98
  5. Step 5: Solve for x
    x = 2,072,910,852.98/61,788.31
  6. Step 6: Final answer
    x = 33,548.59

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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.