Home / 61,083.50-91,602.78-21,092.36

Finding the Fourth Proportional to 61,083.50, 91,602.78 and 21,092.36

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Solution

The fourth proportional to 61,083.50, 91,602.78 and 21,092.36 is: 31,630.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,083.50 : 91,602.78 = 21,092.36 : x
  2. Step 2: Convert to fraction form
    61,083.50/91,602.78 = 21,092.36/x
  3. Step 3: Cross multiply
    61,083.50x = 91,602.78 × 21,092.36
  4. Step 4: Simplify right side
    61,083.50x = 1,932,118,354.75
  5. Step 5: Solve for x
    x = 1,932,118,354.75/61,083.50
  6. Step 6: Final answer
    x = 31,630.78

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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.