Home / 61,761.42-92,647.60-17,388.56

Finding the Fourth Proportional to 61,761.42, 92,647.60 and 17,388.56

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Solution

The fourth proportional to 61,761.42, 92,647.60 and 17,388.56 is: 26,084.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,761.42 : 92,647.60 = 17,388.56 : x
  2. Step 2: Convert to fraction form
    61,761.42/92,647.60 = 17,388.56/x
  3. Step 3: Cross multiply
    61,761.42x = 92,647.60 × 17,388.56
  4. Step 4: Simplify right side
    61,761.42x = 1,611,008,351.46
  5. Step 5: Solve for x
    x = 1,611,008,351.46/61,761.42
  6. Step 6: Final answer
    x = 26,084.38

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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.